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From Wikipedia, the free encyclopedia
U.S. Route 1
USĀ 1 highlighted in red
Route information
Length
2,369.49Ā mi
[
1
]
Ā (3,813.32Ā km)
Existed
November 11, 1926āpresent
Major junctions
SouthĀ end
Fleming Street in
Key West, FL
I-95
in
Miami, FL
I-20
near
Aiken, SC
I-77
in
Columbia, SC
I-40
in
Raleigh, NC
I-85
Ā /
USĀ 460
near
Petersburg, VA
I-64
Ā /
I-95
in
Richmond, VA
I-83
in
Baltimore, MD
I-76
in
Philadelphia, PA
I-87
in
New York, NY
I-90
Ā /
I-93
in
Boston, MA
NorthĀ end
RouteĀ 161
Ā /
RouteĀ 205
at the
Fort KentāClair Border Crossing
in
Fort Kent, ME
Location
Country
United States
States
Florida
,
Georgia
,
South Carolina
,
North Carolina
,
Virginia
,
District of Columbia
,
Maryland
,
Pennsylvania
,
New Jersey
,
New York
,
Connecticut
,
Rhode Island
,
Massachusetts
,
New Hampshire
,
Maine
Highway system
United States Numbered Highway System
List
Special
Divided
ā
USĀ 425
US
ā
USĀ 2
ā
Route 32A
N.E.
ā
Route 1A
U.S. RouteĀ 1
or
U.S. HighwayĀ 1
(
USĀ 1
) is a major northāsouth
United States Numbered Highway
that serves the
East Coast of the United States
. It runs 2,370 miles (3,810Ā km) from
Key West
,
Florida
, north to
Fort Kent, Maine
, at the
Canadian border
, making it the longest northāsouth road in the United States.
[
2
]
USĀ 1 is generally paralleled by
Interstate 95
(I-95), though USĀ 1 is significantly farther west and inland between
Jacksonville, Florida
, and
Petersburg, Virginia
, while I-95 is closer to the coastline. In contrast, USĀ 1 in Maine is much closer to the coast than I-95, which runs farther inland than USĀ 1. The route connects most of the major cities of the
East Coast
from the
Southeastern United States
to
New England
, including
Miami
,
Jacksonville
,
Augusta
,
Columbia
,
Raleigh
,
Richmond
,
Washington, D.C.
,
Baltimore
,
Philadelphia
,
Newark
,
New York City
,
New Haven
,
Providence
,
Boston
, and
Portland
.
While USĀ 1 is generally the easternmost of the main northāsouth U.S. Routes, parts of several others occupy corridors closer to the ocean. When the road system was laid out in the 1920s, USĀ 1 was mostly assigned to the existing
Atlantic Highway
, which followed the
Atlantic Seaboard Fall Line
between the
Piedmont
and the
Atlantic Plain
north of
Augusta, Georgia
.
[
3
]
At the time, the highways farther east were of lower quality and did not serve the major population centers.
[
4
]
From
Henderson, North Carolina
, to
Petersburg, Virginia
, it is paralleled by
I-85
. Construction of the Interstate Highway System gradually changed the use and character of USĀ 1, and I-95 became the major northāsouth East Coast highway by the late 1960s.
A US 1 shield used in Florida prior to 1993
Mile 0, Key West, Florida
USĀ 1 crossing
Moser Channel
along the Overseas Highway, Florida Keys
Skyline of Augusta, Georgia, as seen from USĀ 1 in North Augusta near I-520
I-40
east approaching the Raleigh Beltline, which includes USĀ 1
Monument in Fort Kent dedicated to USĀ 1, Fort Kent, Maine
USĀ 1 travels along the east coast of
Florida
, beginning at 490 Whitehead Street in
Key West
[
5
]
and passing through
Miami
,
Hollywood
,
Fort Lauderdale
,
Boca Raton
,
West Palm Beach
,
Jupiter
,
Fort Pierce
,
Melbourne
,
Cocoa
,
Titusville
,
Daytona Beach
,
Palm Coast
,
St. Augustine
, and
Jacksonville
. The southernmost piece through the chain islands of the
Florida Keys
, about 100 miles (160Ā km) long, is the two-lane
Overseas Highway
, originally built in the late 1930s after railroad tycoon
Henry Flagler
's
Florida East Coast Railway
's
Overseas Railroad
, which was built between 1905 and 1912 on stone pillars, was ruined by the
1935 Labor Day hurricane
. The rest of USĀ 1 in Florida is generally a four-lane
divided highway
, despite the existence of the newer
I-95
not far away. Famous vacation scenic route
State RoadĀ A1A
is a continuous oceanfront alternate to USĀ 1 that runs along the beaches of the
Atlantic Ocean
, cut only by assorted unbridged inlets and the
Kennedy Space Center
at
Cape Canaveral
. North of Jacksonville, USĀ 1 turns northwest toward
Augusta, Georgia
;
USĀ 17
becomes the coastal route into
Virginia
, where
USĀ 13
takes over.
[
6
]
In Florida until the 1990s, USĀ 1 used high-contrast markers (white text on a red background).
[
7
]
The part of USĀ 1 in
Georgia
, as it shifts from the coastal alignment in Florida to the Atlantic Seaboard Fall Line alignment in South Carolina, is generally very rural, passing through marshes and former
plantations
between the towns and cities of
Folkston
,
Waycross
,
Alma
,
Baxley
,
Lyons
,
Swainsboro
, and
Augusta
. The
Georgia Department of Transportation
has an ongoing plan to widen all of USĀ 1 to four lanes with bypasses, which is more than 50Ā percent complete.
In
South Carolina
, USĀ 1 generally serves mostly rural areas as it falls west of
I-95
while the coastal areas are served by routes east of it. Starting in South Carolina, USĀ 1 is paralleled by
I-20
along the
Atlantic Seaboard Fall Line
through
Aiken
,
Lexington
, and
Columbia
to
Camden
and
Lugoff
. USĀ 1 functions as a local two-lane road with occasional boulevard stretches. After Camden, USĀ 1 continues northeast away from any Interstate toward
Bethune
,
Patrick
,
McBee
, and
Cheraw
with no bypasses or four-lane sections except around Cheraw through the
USĀ 52
and
South Carolina Highway 9
(SCĀ 9) concurrencies. After SCĀ 9, it continues northward into North Carolina as a two -lane highway. The
South Carolina Department of Transportation
(SCDOT) has no plans to widen or bypass any USĀ 1 alignments northeast of Camden to the North Carolina line.
Between the South Carolina line and the
USĀ 74
bypass, USĀ 1 is a two-lane road but sees a considerable amount of truck and tourist traffic of people cutting through from the USĀ 74/
USĀ 220
and
I-73
/
I-74
corridor attempting to reach points south and east. USĀ 1 goes through downtown
Rockingham
, with a bypass in the future plans. North of the
North Carolina Highway 177
(NCĀ 177) junction, it becomes four lanes or greater, becoming a
superstreet
with limited access and then becoming a limited access freeway. USĀ 1 becomes a major artery for the state as it moves north of Rockingham. After
Richmond County
, it goes into
Moore County
with two expressway bypasses in
Southern Pines
,
Vass
, and
Cameron
. USĀ 1 continues with the
Jefferson Davis Highway
label through
Lee County
and
Sanford
, and on to
Cary
and
Raleigh
. USĀ 1 runs concurrently with
USĀ 64
through most of Cary, where the freeway recently underwent a major renovation and improvements that added lanes in both directions.
[
8
]
North of Raleigh, USĀ 1 (known as Capital Boulevard in northern Wake County) crosses
I-540
and then again becomes a four-lane divided arterial to
I-85
near
Henderson
. The
North Carolina Department of Transportation
(NCDOT) has begun a corridor study for this section of USĀ 1
[
9
]
to determine the feasibility of transitioning the stretch of highway from I-540 to Wake Forest into a toll road.
[
10
]
Moreover, NCDOT is planning to finish four-laning USĀ 1 in Richmond County past NCĀ 177 with a Rockingham bypass to the east. There are no plans from SCDOT to widen USĀ 1 from the state line. From Henderson into Virginia, USĀ 1 runs parallel with I-85 as a two-lane local road until the state line, where Virginia hosts a continuous third center lane for alternate passing toward
USĀ 58
before
South Hill
.
In the
Mid-Atlantic
, USĀ 1 generally serves some of the
most populated areas of the east coast
. Through
Virginia
, USĀ 1 is paralleled by Interstates: the remainder of
I-85
to
Petersburg
,
I-95
through
Richmond
and
Fredericksburg
to
Alexandria
, and
I-395
into
Arlington
. In much of Virginia, USĀ 1 was called the
Jefferson Davis Highway
by state law, although there are exceptions. South of Petersburg, it is known as Boydton Plank Road. Through some of
Fairfax County
and Alexandria, it is called the Richmond Highway.
[
11
]
In February 2021, Virginia renamed all remaining portions of the Jefferson Davis Highway in the state to Emancipation Highway beginning on January 1, 2022.
[
12
]
[
13
]
USĀ 1 crosses the
Potomac River
with I-395 on the
14th Street bridges
and splits to follow mainly
14th Street
and
Rhode Island Avenue
through the
District of Columbia
. USĀ 1 is at the minimum of three lanes (with alternate passing) from the North Carolina state line to Petersburg with occasional four-lane divided sections. North of Petersburg is a four-lane undivided roadway at the minimum to the DC line. The route of USĀ 1 from Petersburg to the state line is parallel with the
Atlantic Seaboard Fall Line
. From Petersburg onward, it is parallel with I-95. After exiting DC into
Maryland
, USĀ 1 follows the BaltimoreāWashington Boulevard, the first of several modern highways built along the
WashingtonāBaltimore combined statistical area
corridor; I-95 is the newest, after the
BaltimoreāWashington Parkway
. USĀ 1 runs through the
University of Maryland, College Park
, campus in
College Park, Maryland
. The route bypasses
Downtown Baltimore
on
North Avenue
and exits the city to the northeast on Belair Road, gradually leaving the I-95 corridor, which passes through
Wilmington, Delaware
, for a straighter path toward
Philadelphia
. Around and beyond
Bel Air
, USĀ 1 is a two-lane road, crossing the
Susquehanna River
over the top of the
Conowingo Dam
before entering Pennsylvania. (Routed further north, USĀ 1 bypasses the state of
Delaware
, unlike I-95.)
[
6
]
The two-lane USĀ 1 becomes a four-lane
expressway
, officially known as the John H. Ware III Memorial Highway, after
the Pennsylvania representative
, just after crossing into
Pennsylvania
. This bypass extends around
Oxford
and
Kennett Square
, merging into the four-lane divided
Baltimore Pike
just beyond the latter. At
Media
, USĀ 1 again becomes a freewayāthe Media Bypassāending just beyond
I-476
. After several name changes, the road becomes
City Avenue
, the western city limits of
Philadelphia
, at the end of which a short
overlap
with
I-76
leads to the
Roosevelt Expressway
and then the 12-lane
Roosevelt Boulevard
partly overlapping
USĀ 13
. USĀ 1 again becomes a freeway after leaving the city, bypassing
Penndel
and
Morrisville
and crossing the
Delaware River
into
New Jersey
on the
TrentonāMorrisville Toll Bridge
.
[
6
]
After crossing into
New Jersey
in Mercer County, USĀ 1 continues on the
Trenton Freeway
through the state capital of
Trenton
and
Lawrence Township
as a four-lane freeway. As the freeway ends, the four-lane
divided highway
upgrades to six lanes north of
I-295
passing through the
Penns Neck
section of
West Windsor
. Through Penns Neck is a series of traffic signals. The
New Jersey Department of Transportation
(NJDOT) is looking to revamp the highway through this area by replacing traffic signals with grade separations. The highway enters
Middlesex County
through
Plainsboro Township
and
South Brunswick
, where the highest point resides.
[
14
]
By Forrestal Village, the highway downgrades from six to four lanes until after Finnegans Lane in
North Brunswick
. Northward, it continues through
New Brunswick
as a short limited-access highway until the
County RouteĀ 529
(CRĀ 529)/Plainfield Avenue traffic signal in
Edison
. Through Edison and
Woodbridge Township
, USĀ 1 has a mix of boulevard and limited-access segments and continues to do so after the
USĀ 9
juncture in the
Avenel
section of Woodbridge. The
USĀ 1/9
concurrency
continues through the rest of the state. The six-lane divided highway remains through
Rahway
in
Union County
and
Elizabeth
, until it reaches
Newark Liberty International Airport
, where it becomes a dual carriageway freeway around downtown
Newark
in
Essex County
with a 2ā2ā2ā2 configuration. The historic
Pulaski Skyway
takes USĀ 1/9 into
Jersey City
, and the route exits the freeway at the
Tonnele Circle
to head north into
Bergen County
. USĀ 1/9 turns onto
USĀ 46
as a limited-access highway, and the three routes run northeast to the
George Washington Bridge Plaza
, where they merge into I-95. USĀ 46 ends in the middle of the bridge, which crosses the
Hudson River
into
New York
, and
USĀ 9
exits just beyond onto
Broadway
in
Manhattan
, but USĀ 1 stays with I-95 onto the
Cross Bronx Expressway
, exiting in
the Bronx
onto Webster Avenue. Two turns take USĀ 1 via
Fordham Road
to Boston Road, which it follows northeast out of the city, becoming Boston Post Road in
Westchester County
, never straying far from I-95. From the Bronx to the state line, it is a local road with two lanes in each direction, except in
Rye
where it has a single lane in each direction. As it enters
Greenwich, Connecticut
, it continues as a two-lane local road.
In
New England
, USĀ 1 generally serves large cities in a side street capacity. In
Connecticut
, USĀ 1 serves the shore of
Long Island Sound
parallel to
I-95
. Beyond
New Haven
, the highway travels eastāwest, and some signs in the state indicate this rather than the standard northāsouth. While I-95 in
Rhode Island
takes a diagonal path to
Providence
, USĀ 1 continues east along the coast through
Westerly
to
Wakefield-Peacedale
, where it turns north and follows
Narragansett Bay
. Most of this part is a four-lane
limited-access highway
, providing access to
RouteĀ 138
toward
Newport
. After
RouteĀ 4
splits as a mostly-
freeway
connection to I-95, USĀ 1 becomes a lower-speed surface road, passing through
Warwick
, Providence, and
Pawtucket
. The route parallels I-95 again through Providence and Pawtucket and into
Massachusetts
, traveling toward
Boston
as a four-lane road. When it reaches
Dedham
, USĀ 1 turns east and becomes a freeway through metropolitan Boston,
concurrent
with I-95 and
I-93
east to
Braintree
and north through
Downtown Boston
. The
Tobin Bridge
and
Northeast Expressway
take USĀ 1 out of Boston, after which it again parallels I-95 as a high-speed surface road through
Newburyport
to the New Hampshire state line.
[
6
]
The short portion of USĀ 1 in
New Hampshire
follows the historic Lafayette Road, staying close to I-95, passing through
Portsmouth
before crossing the
Piscataqua River
on
Memorial Bridge
, which was demolished and replaced during 2012ā2013, leaving a temporary gap in USĀ 1. During construction, drivers had to detour to one of two other nearby bridges carrying
USĀ 1 Bypass
or I-95. Within
Maine
, USĀ 1 begins as a parallel route to I-95 near the
Atlantic Ocean
. At
Portland
, I-95 splits off to the north, and
I-295
heads northeast paralleling USĀ 1 to
Brunswick
. There USĀ 1 turns east as a mostly two-lane road along the coast to
Calais
; much of this portion is advertised as the "Coastal Route" on signs. North from Calais, USĀ 1 follows the
Canadian border
, crossing I-95 in Houlton and eventually turning west and southwest to its "north" end at the
ClairāFort Kent Bridge
in
Fort Kent
. On the
New Brunswick
(Canada) side of the bridge,
RouteĀ 205
extends south and west to
Saint-FranƧois-de-Madawaska
, while the short
RouteĀ 161
extends north to
RouteĀ 120
, a secondary eastāwest route from
Edmundston
,
New Brunswick
, west to
Quebec Route 289
toward
Saint-Alexandre-de-Kamouraska
,
Quebec
.
[
6
]
The beginning of USĀ 1 as of March 1951
The direct predecessor to USĀ 1 was the
Atlantic Highway
, an
auto trail
established in 1911 as the QuebecāMiami International Highway. In 1915, it was renamed the Atlantic Highway,
[
15
]
and the northern terminus was changed to
Calais, Maine
.
[
16
]
Due to the overlapping of auto trail designations, portions of the route had other names that remain in common use, such as the
Boston Post Road
between
Boston
and
New York City
, the
Lincoln Highway
between New York and
Philadelphia
, the Baltimore Pike between Philadelphia and
Baltimore
, and the
Dixie Highway
in and south of eastern
Georgia
. North of
Augusta, Georgia
, the highway generally followed the
Atlantic Seaboard Fall Line
, rather than a more easterly route through the
swamps
of the
Atlantic Plain
.
[
17
]
Brickell Avenue
is the name given to the two-mile (3.2Ā km) stretch of USĀ 1 in
Miami, Florida
, just south of the
Miami River
until the
Rickenbacker Causeway
.
When the
New England road marking system
was established in 1922, the Atlantic Highway within
New England
was signed as
RouteĀ 1
, with a
RouteĀ 24
continuing north to
Madawaska
;
[
18
]
New York
extended the number to
New York City
in 1924 with its own
RouteĀ 1
.
[
19
]
Other states adopted their own systems of numbering; by 1926 all states but
Maryland
had signed the Atlantic Highway as various routes, usually changing numbers at the state line. In 1925, the
Joint Board on Interstate Highways
created a preliminary list of interstate routes to be marked by the states,
[
20
]
including USĀ 1 along the Atlantic. This highway began at
Fort Kent, Maine
, and followed the existing RouteĀ 24 to
Houlton
, as well as
RouteĀ 15
to
Bangor
, beyond which it generally followed the Atlantic Highway to Miami.
[
21
]
In all states but
Georgia
that had numbered their
state highways
, RouteĀ 1 followed only one or two numbers across the state.
[
22
]
The only significant deviation from the Atlantic Highway was between
Augusta, Georgia
, and
Jacksonville, Florida
, where RouteĀ 1 was assigned to a more inland route, rather than following the Atlantic Highway via
Savannah
.
[
4
]
One of the many changes made to the system before the final numbering was adopted in 1926 involved USĀ 1 in Maine. The 1925 plan had assigned USĀ 1 to the shorter inland route (RouteĀ 15) between Houlton and Bangor, while
USĀ 2
followed the longer coastal route via Calais. In the system as adopted in 1926, USĀ 2 instead took the inland route, while USĀ 1 followed the coast, absorbing all of the former RouteĀ 24 and RouteĀ 1 in New England.
[
23
]
[
24
]
Many local and regional relocations, often onto parallel
superhighways
, were made in the early days of USĀ 1; this included the four-lane divided
RouteĀ 25
in
New Jersey
, completed in 1932 with the opening of the
Pulaski Skyway
,
[
25
]
and a bypass of Bangor involving the
WaldoāHancock Bridge
, opened in 1931.
[
26
]
The
Overseas Highway
from Miami to
Key West
was completed in 1938 and soon became a southern extension of USĀ 1.
[
27
]
With the construction of the
Interstate Highway System
in and after the 1950s, much of USĀ 1 from Houlton to Miami was bypassed by
I-95
. Between Houlton and
Brunswick, Maine
, I-95 took a shorter inland route, much of it paralleling USĀ 2 on the alignment proposed for USĀ 1 in 1925. Between
Philadelphia
and
Baltimore
, I-95 leaves USĀ 1 to pass through
Wilmington
. Most notably, I-95 and USĀ 1 follow different corridors between
Petersburg, Virginia
, and
Jacksonville, Florida
; while USĀ 1 followed the Atlantic Seaboard Fall Line west of the coastal plain, I-95 takes a more direct route through the plain and its swamps. Although some of this part of USĀ 1 was followed by other Interstatesā
I-85
between Petersburg and
Henderson, North Carolina
, and
I-20
between
Camden, South Carolina
, and
Augusta, Georgia
āthe rest remains an independent route with four lanes in many places. By the late 1970s, most of I-95 had been completed, replacing USĀ 1 as the main corridor of the east coast and relegating most of it to local road status.
[
28
]
Major intersections
[
edit
]
Florida
Whitehead Street and Fleming Street in
Key West
Florida's Turnpike Extension
in
Florida City
I-95
in
Miami
USĀ 41
in Miami
I-395
in Miami
USĀ 27
in Miami
I-195
in Miami
I-595
on the
Dania Beach
ā
Fort Lauderdale, Florida
city line
USĀ 98
in
West Palm Beach
USĀ 192
in
Melbourne
USĀ 92
in
Daytona Beach
I-95
in
Ormond Beach
I-95
near
Palm Coast
I-295
in
Jacksonville
I-95
in Jacksonville
I-95
in Jacksonville. The highways travel concurrently through the city.
USĀ 90
in Jacksonville. The highways travel concurrently through the city.
USĀ 17
in Jacksonville. The highways travel concurrently through the city.
USĀ 23
in Jacksonville
I-95
in Jacksonville
USĀ 23
in Jacksonville. The highways travel concurrently to north of
Alma, Georgia
.
I-295
in Jacksonville
USĀ 301
in
Callahan
. The highways travel concurrently to
Homeland, Georgia
.
Georgia
USĀ 82
in
Waycross
. USĀ 1/USĀ 82/SRĀ 520 travels concurrently to west of
Deenwood
.
USĀ 84
in Waycross. The highways travel concurrently through the city.
USĀ 341
in
Baxley
USĀ 280
in
Lyons
I-16
in
Oak Park
USĀ 80
in
Swainsboro
USĀ 319
in
Wadley
USĀ 221
in
Louisville
. USĀ 1/USĀ 221 travels concurrently to
Wrens
.
I-520
in
Augusta
USĀ 78
Ā /
USĀ 278
in Augusta. USĀ 1/USĀ 78 travels concurrently to
Aiken, South Carolina
. USĀ 1/USĀ 278 travels concurrently to
Clearwater, South Carolina
. USĀ 1/SRĀ 10 travels concurrently to the
South Carolina
state line.
USĀ 25
in Augusta. USĀ 1/USĀ 25 travels concurrently to
North Augusta, South Carolina
. USĀ 1/SRĀ 121 travels concurrently to the South Carolina state line.
South Carolina
I-520
in
North Augusta
I-20
north-northeast of Aiken
USĀ 178
in
Batesburg-Leesville
USĀ 378
in
Lexington
. The highways travel concurrently through the city.
I-20
east of Lexington
I-26
in
Oak Grove
USĀ 378
in
West Columbia
. The highways travel concurrently to
Columbia
.
USĀ 21
Ā /
USĀ 176
Ā /
USĀ 321
in
Columbia
USĀ 76
in Columbia. The highways travel concurrently through the city.
I-20
in
Dentsville
I-77
in Dentsville
USĀ 601
in
Lugoff
. The highways travel concurrently to
Camden
.
USĀ 521
Ā /
USĀ 601
in
Camden
USĀ 52
south-southwest of
Cheraw
. The highways travel concurrently to Cheraw.
North Carolina
Future I-74
Ā /
USĀ 74
west-southwest of
East Rockingham
USĀ 220
in
Rockingham
USĀ 15
Ā /
USĀ 501
in
Aberdeen
. The highways travel concurrently through the city.
USĀ 15
Ā /
USĀ 501
north-northeast of
Cameron
. The highways travel concurrently to
Sanford
.
USĀ 421
in
Sanford
USĀ 64
in
Cary
. The highways travel concurrently to
Raleigh
.
I-40
Ā /
I-440
Ā /
USĀ 64
in
Raleigh
. I-440/USĀ 1 travels concurrently through the city.
USĀ 70
in Raleigh
I-440
Ā /
USĀ 401
in Raleigh. USĀ 1/USĀ 401 travels concurrently through the city.
I-540
near Raleigh
USĀ 158
northeast of
Henderson
. The highways travel concurrently to
Norlina
.
I-85
southwest of
Middleburg
USĀ 158
Ā /
USĀ 401
in Middleburg. USĀ 1/USĀ 401 travels concurrently to north-northwest of
Wise
.
I-85
Ā /
USĀ 401
north-northwest of
Wise
Virginia
USĀ 58
southwest of
South Hill
. The highways travel concurrently to just southwest of the city.
I-85
in South Hill
I-85
south of
Alberta
I-85
Ā /
USĀ 460
southwest of
Petersburg
. USĀ 1/USĀ 460 Bus. travels concurrently to Petersburg.
USĀ 301
in Petersburg. The highways travel concurrently to
Richmond
.
USĀ 360
in
Richmond
USĀ 60
in Richmond
USĀ 33
Ā /
USĀ 250
in Richmond
I-64
Ā /
I-95
in Richmond
I-95
in
Lakeside
I-295
in
Glen Allen
USĀ 17
east-northeast of
Spotsylvania
. The highways travel concurrently to south of
Fredericksburg
.
I-95
Ā /
USĀ 17
south of
Fredericksburg
I-95
in
Lorton
I-95
Ā /
I-495
in
Alexandria
I-395
in
Arlington
. The highways travel concurrently to
Washington, D.C.
District of Columbia
USĀ 50
in
Washington
. The highways travel concurrently through part of the city.
USĀ 29
in
Washington
. The two highways bump into each other at the intersection of 6th Street NW and
Rhode Island Avenue NW
.
Maryland
I-95
Ā /
I-495
in
College Park
I-895
in
Elkridge
I-195
in
Arbutus
USĀ 40
in
Baltimore
I-83
in Baltimore
I-695
in
Overlea
USĀ 222
in
Conowingo
Pennsylvania
USĀ 202
Ā /
USĀ 322
in
Concordville
. USĀ 1/USĀ 322 travels concurrently through the community.
I-476
in
Marple Township
USĀ 30
on the
Wynnewood
ā
Philadelphia
city line
I-76
on the
Bala Cynwyd
āPhiladelphia city line. The highways travel concurrently into Philadelphia proper.
USĀ 13
in Philadelphia. The highways travel concurrently through part of the city.
I-276
in
Bensalem Township
I-295
in
Woodbourne
USĀ 13
southwest of
Morrisville
New Jersey
I-295
in
Lawrence Township
USĀ 130
in
North Brunswick
I-287
on the
Edison
ā
Metuchen
city line
USĀ 9
in Woodbridge Township. The highways travel concurrently to
New York City
.
I-278
in
Linden
I-78
Ā /
I-95
in
Newark
USĀ 22
in Newark
I-78
Ā /
I-95
in Newark
I-95
in Newark
USĀ 46
in
Palisades Park
. The highways travel concurrently to the
New Jersey
-
New York
state line at the
George Washington Bridge
.
USĀ 9W
in
Fort Lee
I-95
in Fort Lee. The highways travel concurrently to
The Bronx
,
New York City
.
USĀ 46
at the New JerseyāNew York state line
New York
USĀ 9
in
Manhattan
,
New York City
I-87
in
The Bronx
, New York City
I-95
in The Bronx, New York City
I-95
in
New Rochelle
I-95
in
Rye
I-287
on the Ryeā
Port Chester
city line
Connecticut
I-95
in
Stamford
I-95
in
Darien
USĀ 7
in
Norwalk
I-95
in
Fairfield
I-95
in
Stratford
I-95
in
Milford
I-91
in
New Haven
I-95
in
East Haven
I-95
in
Branford
I-95
in
Guilford
I-95
in
Old Saybrook
. The highways travel concurrently to
Old Lyme
.
I-95
in
East Lyme
I-95
in
New London
. The highways travel concurrently to
Groton
.
Rhode Island
USĀ 6
in
Providence
USĀ 44
in
Providence
. The highways travel concurrently for one block.
I-95
in
Pawtucket
. The highways travel concurrently for less than 1 mile (1.6Ā km).
Massachusetts
I-95
in
Attleboro
I-295
in
North Attleborough
I-495
in
Plainville
I-95
in
Sharon
I-95
on the
Westwood
ā
Dedham
city line. The highways travel concurrently to
Canton
.
I-93
Ā /
I-95
in
Canton
. I-93/USĀ 1 travel concurrently to
Boston
.
USĀ 3
in Boston
I-90
in Boston
I-95
in
Peabody
I-95
in Peabody
I-95
in
Danvers
New Hampshire
USĀ 4
in
Portsmouth
Maine
I-95
in
Kittery
I-195
in
Saco
I-295
in
South Portland
. The highways travel concurrently to
Portland
.
USĀ 302
in Portland
I-495
in
Falmouth
I-295
in
Yarmouth
I-295
in Yarmouth
I-295
in
Freeport
I-295
in
Brunswick
USĀ 201
in Brunswick
USĀ 2
in
Houlton
. The highways travel concurrently through the city.
I-95
in Houlton
RouteĀ 161
Ā /
RouteĀ 205
at the
Fort KentāClair Border Crossing
in
Fort Kent
[
29
]
USĀ 1 has six three-digit auxiliary routes. In numerical order, these are:
USĀ 201
, from
Brunswick, Maine
, to the
ArmstrongāJackman Border Crossing
running south to north in east-central
Maine
.
USĀ 301
, from
Sarasota, Florida
, to
Biddles Corner, Delaware
, along the
East Coast
. Most of the route closely parallels
I-95
and it has numerous intersections with its parent.
USĀ 401
from
Sumter, South Carolina
, to
Wise, North Carolina
, near the Virginia border. For most of the route, it parallels USĀ 1 about 10 to 20 miles (16 to 32Ā km) to the east, though the two share pavement in
Raleigh, North Carolina
.
USĀ 501
from
Myrtle Beach, South Carolina
, to
Buena Vista, Virginia
. The highway runs southeastānorthwest, meeting its parent in
Aberdeen
and
Sanford
.
USĀ 601
from
Tarboro, South Carolina
, to
Mount Airy, North Carolina
. It runs mostly due southānorth to the west of USĀ 501, meeting the parent route in
Camden, South Carolina
.
USĀ 701
from
Georgetown, South Carolina
, to
Four Oaks, North Carolina
. Furthest east of the USĀ 1 auxiliary routes, it never meets its parent route, but does intersect USĀ 501 in
Conway, South Carolina
, and terminates at USĀ 301 at its northern end.
USĀ 101
, despite its number, is not an auxiliary route, but rather considered a primary U.S. Route in its own right as major highway west of the former
USĀ 99
on the west coast of the U.S. (In the numbering scheme, its first "digit" is "10".)
Florida State Road A1A
Massachusetts Route 1A
New Hampshire Route 1A
New York State Route 1A
Rhode Island Route 1A
The route in
Richard Bachman
's horror novel,
The Long Walk
(1979), begins each year at the MaineāNew Brunswick border at 9:00 on the morning of May 1 and travels down the
East Coast of the United States
, along USĀ 1, until the winner is determined.
The Atlantic Highway features prominently as both a location, and a character in
Seanan McGuire
's Ghost Roads series.
U.S. Route 1A
Special routes of U.S. Route 1
^
American Association of State Highway and Transportation Officials
.
United States Numbered Highways
(1989Ā ed.). Washington, DC: American Association of State Highway and Transportation Officials. Archived from
the original
on February 4, 2007.
^
"America's longest north-south highways"
.
Times-News
. December 14, 2010.
Archived
from the original on April 29, 2023
. Retrieved
October 13,
2014
.
^
"E. W. James on designating the Federal-aid system and developing the U.S. numbered highway plan"
.
Federal Highway Administration
.
Archived
from the original on September 24, 2008
. Retrieved
August 9,
2012
.
^
a
b
Rand McNally
(1926).
Auto Road Atlas
(Map). Rand McNally ā via Broer Map Library.
^
"490 Whitehead St, Key West, FL 33040"
(Map).
Google Maps
. Retrieved
August 9,
2012
.
^
a
b
c
d
e
Google Maps
street maps and
USGS
topographic maps
, accessed via
ACME Mapper
Archived
November 19, 2022, at the
Wayback Machine
[
full citation needed
]
^
Gordon, John. "US Highway 17 to Florida: Scenic, Historic and Very Slow, December 29, 1993".
The Virginian-Pilot
.
Drivers know they're in Florida when they notice the U.S. Highway signs are color-coded for easy recognition. The USĀ 17 signs, for example, are yellow, while those of USĀ 1 are red, USĀ 90 blue. and USĀ 27 green
[
full citation needed
]
^
"US 1/64 Widening"
. Town of Cary, North Carolina. Archived from
the original
on March 14, 2012.
[
full citation needed
]
^
"USĀ 1 Corridor Study"
. North Carolina Department of Transportation. Archived from
the original
on March 24, 2012
. Retrieved
August 9,
2012
.
^
"Toll debate at center of Capital Boulevard expansion project after dueling votes"
.
ABC11 Raleigh-Durham
. May 22, 2025
. Retrieved
May 24,
2025
.
^
Nirappil, Fenit; Hernandez, Arelis R. (December 31, 2018).
"A plastic straw ban and a Confederate name change: New laws in the D.C. region in 2019"
.
Washington Post
.
Archived
from the original on January 3, 2019
. Retrieved
January 3,
2019
.
^
"LIS > Bill Tracking > HB2075 > 2021 session"
.
lis.virginia.gov
.
Archived
from the original on February 10, 2021
. Retrieved
February 26,
2021
.
^
Thomas, Pat (March 31, 2021).
"Governor signs remaining bills from 2021 Special Session"
. Harrisonburg, Virginia:
WHSV-TV
.
Archived
from the original on April 1, 2021
. Retrieved
April 3,
2021
.
^
Rosenthal, Harold (1983).
"Water tower in South Brunswick Township"
.
Rutgers University Community Repository
.
doi
:
10.7282/T3N58JK0
.
Archived
from the original on August 30, 2017
. Retrieved
August 29,
2017
.
^
Kaczynski, William (2000).
The American Highway: The History and Culture of Roads in the United States
. p.Ā 38.
[
full citation needed
]
^
"Many Auto Highways Gridiron the Nation".
Decatur Daily Review
. November 14, 1915.
[
full citation needed
]
^
Clason Map Company
(1923).
Midget Map of the Transcontinental Trails of the United States
(Map). Clason Map Company ā via Federal Highway Administration.
[
full citation needed
]
^
"Motor Sign Uniformity".
The New York Times
. April 16, 1922. p.Ā 98.
^
"New York's Main Highways Designated by Numbers".
The New York Times
. December 21, 1924. p.Ā XX9.
^
Weingroff, Richard F.
"From Names to Numbers: The Origins of the U.S. Numbered Highway System"
. Federal Highway Administration.
Archived
from the original on October 17, 2007
. Retrieved
October 12,
2007
.
[
full citation needed
]
^
Joint Board on Interstate Highways (1925).
"Appendix VI: Descriptions of the Interstate Routes Selected, with Numbers Assigned"
.
Report of Joint Board on Interstate Highways, October 30, 1925, Approved by the Secretary of Agriculture, November 18, 1925
(Report). Washington, DC:
United States Department of Agriculture
. p.Ā 49.
OCLC
Ā
733875457
,
55123355
,
71026428
.
Archived
from the original on November 14, 2017
. Retrieved
November 14,
2017
ā via
Wikisource
.
^
The following routes were used, shown on the 1926 Rand McNally:
Florida: 4
Georgia: 15, 17, and 24
South Carolina: 12 and 50
North Carolina: 50
Virginia: 31
Maryland: state highways were not numbered prior to the U.S. Highway system
Pennsylvania: 12 and 1
New Jersey: 13 and 1
New York: 1
New England: 1 and 24, and a small piece of 160 beyond
Madawaska, Maine
(in the 1925 plan, part of 15 was also used)
^
Bureau of Public Roads
&
American Association of State Highway Officials
(November 11, 1926).
United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials
(Map). 1:7,000,000. Washington, DC:
United States Geological Survey
.
OCLC
Ā
32889555
. Retrieved
November 7,
2013
ā via
Wikimedia Commons
.
^
"United States Numbered Highways".
American Highways
.
American Association of State Highway Officials
. April 1927.
^
Hart, Steven (2007).
The Last Three Miles: Politics, Murder, and the Construction of America's First Superhighway
.
The New Press
. pp.Ā
1ā
5.
ISBN
Ā
978-1-59558-098-6
.
^
Maine Department of Transportation
.
"WaldoāHancock Bridge"
. Archived from
the original
on June 5, 2011
. Retrieved
October 12,
2007
.
^
State Road Department of Florida
(1941).
Official State Road Map of Florida
(Map). Tallahassee: State Road Department of Florida. Archived from
the original
on November 22, 2007
. Retrieved
October 12,
2007
.
[
full citation needed
]
^
Gulf
(1977).
Tourgide: United States, Canada and Mexico
(Map). Chicago:
Rand McNally & Company
.
[
full citation needed
]
^
Rand McNally (2014).
The Road Atlas
(WalmartĀ ed.). Chicago: Rand McNally. pp.Ā 23,
26ā
29, 45, 47, 49,
65ā
66, 69,
74ā
75, 89,
91ā
92, 107, 111.
ISBN
Ā
978-0-528-00771-2
.
KML is from Wikidata
Weingroff, Richard F.
"U.S. 1: Fort Kent, Maine to Key West, Florida"
.
Federal Highway Administration
. Retrieved
August 29,
2014
.
Endpoints of U.S. Highway 1 |
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## Contents
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- [1 Route description](https://en.wikipedia.org/wiki/U.S._Route_1#Route_description)
Toggle Route description subsection
- [1\.1 Florida](https://en.wikipedia.org/wiki/U.S._Route_1#Florida)
- [1\.2 Georgia](https://en.wikipedia.org/wiki/U.S._Route_1#Georgia)
- [1\.3 The Carolinas](https://en.wikipedia.org/wiki/U.S._Route_1#The_Carolinas)
- [1\.4 Mid-Atlantic](https://en.wikipedia.org/wiki/U.S._Route_1#Mid-Atlantic)
- [1\.5 New England](https://en.wikipedia.org/wiki/U.S._Route_1#New_England)
- [2 History](https://en.wikipedia.org/wiki/U.S._Route_1#History)
- [3 Major intersections](https://en.wikipedia.org/wiki/U.S._Route_1#Major_intersections)
- [4 Auxiliary routes](https://en.wikipedia.org/wiki/U.S._Route_1#Auxiliary_routes)
- [5 Related state highways](https://en.wikipedia.org/wiki/U.S._Route_1#Related_state_highways)
- [6 In popular culture](https://en.wikipedia.org/wiki/U.S._Route_1#In_popular_culture)
- [7 See also](https://en.wikipedia.org/wiki/U.S._Route_1#See_also)
- [8 References](https://en.wikipedia.org/wiki/U.S._Route_1#References)
- [9 External links](https://en.wikipedia.org/wiki/U.S._Route_1#External_links)
Toggle the table of contents
# U.S. Route 1
28 languages
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ŲµŲ±Ł](https://arz.wikipedia.org/wiki/%D8%B7%D8%B1%D9%8A%D9%82_%D8%A7%D9%85%D8%B1%D9%8A%D9%83%D8%A7_%D8%A7%D9%84%D8%B3%D8%B1%D9%8A%D8%B9_1 "Ų·Ų±ŁŁ Ų§Ł
Ų±ŁŁŲ§ Ų§ŁŲ³Ų±ŁŲ¹ 1 ā Egyptian Arabic")
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ŲŖŲŲÆŁ Ų¢Ł
Ų±ŪŚ©Ų§ ā Persian")
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ДШР1 ā Ukrainian")
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**Route map**:
From Wikipedia, the free encyclopedia
Northāsouth U.S. route from Florida to Maine
"US 1" redirects here. For other uses, see [US 1 (disambiguation)](https://en.wikipedia.org/wiki/US_1_\(disambiguation\) "US 1 (disambiguation)").
| [](https://en.wikipedia.org/wiki/File:US_1.svg) U.S. Route 1 | | |
|---|---|---|
| []()US 1 highlighted in red | | |
| Route information | | |
| Length | 2,369.49 mi[\[1\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-AASHTO-1) (3,813.32 km) | |
| Existed | November 11, 1926āpresent | |
| Major junctions | | |
| South end | Fleming Street in [Key West, FL](https://en.wikipedia.org/wiki/Key_West "Key West") | |
| Major intersections |  [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Miami, FL](https://en.wikipedia.org/wiki/Miami "Miami")  [I-20](https://en.wikipedia.org/wiki/Interstate_20 "Interstate 20") near [Aiken, SC](https://en.wikipedia.org/wiki/Aiken,_South_Carolina "Aiken, South Carolina")  [I-77](https://en.wikipedia.org/wiki/Interstate_77 "Interstate 77") in [Columbia, SC](https://en.wikipedia.org/wiki/Columbia,_South_Carolina "Columbia, South Carolina")  [I-40](https://en.wikipedia.org/wiki/Interstate_40 "Interstate 40") in [Raleigh, NC](https://en.wikipedia.org/wiki/Raleigh,_North_Carolina "Raleigh, North Carolina")  [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") / [US 460](https://en.wikipedia.org/wiki/U.S._Route_460 "U.S. Route 460") near [Petersburg, VA](https://en.wikipedia.org/wiki/Petersburg,_Virginia "Petersburg, Virginia")  [I-64](https://en.wikipedia.org/wiki/Interstate_64 "Interstate 64") / [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Richmond, VA](https://en.wikipedia.org/wiki/Richmond,_Virginia "Richmond, Virginia")  [I-83](https://en.wikipedia.org/wiki/Interstate_83 "Interstate 83") in [Baltimore, MD](https://en.wikipedia.org/wiki/Baltimore,_Maryland "Baltimore, Maryland")  [I-76](https://en.wikipedia.org/wiki/Interstate_76_\(Ohio%E2%80%93New_Jersey\) "Interstate 76 (OhioāNew Jersey)") in [Philadelphia, PA](https://en.wikipedia.org/wiki/Philadelphia "Philadelphia")  [I-87](https://en.wikipedia.org/wiki/Interstate_87_\(New_York\) "Interstate 87 (New York)") in [New York, NY](https://en.wikipedia.org/wiki/New_York_City "New York City")  [I-90](https://en.wikipedia.org/wiki/Interstate_90 "Interstate 90") / [I-93](https://en.wikipedia.org/wiki/Interstate_93 "Interstate 93") in [Boston, MA](https://en.wikipedia.org/wiki/Boston "Boston") | |
| North end |  [Route 161](https://en.wikipedia.org/wiki/New_Brunswick_Route_161 "New Brunswick Route 161") / [Route 205](https://en.wikipedia.org/wiki/New_Brunswick_Route_205 "New Brunswick Route 205") at the [Fort KentāClair Border Crossing](https://en.wikipedia.org/wiki/Fort_Kent%E2%80%93Clair_Border_Crossing "Fort KentāClair Border Crossing") in [Fort Kent, ME](https://en.wikipedia.org/wiki/Fort_Kent,_Maine "Fort Kent, Maine") | |
| Location | | |
| Country | [United States](https://en.wikipedia.org/wiki/United_States "United States") | |
| States | [Florida](https://en.wikipedia.org/wiki/Florida "Florida"), [Georgia](https://en.wikipedia.org/wiki/Georgia_\(U.S._state\) "Georgia (U.S. state)"), [South Carolina](https://en.wikipedia.org/wiki/South_Carolina "South Carolina"), [North Carolina](https://en.wikipedia.org/wiki/North_Carolina "North Carolina"), [Virginia](https://en.wikipedia.org/wiki/Virginia "Virginia"), [District of Columbia](https://en.wikipedia.org/wiki/Washington,_D.C. "Washington, D.C."), [Maryland](https://en.wikipedia.org/wiki/Maryland "Maryland"), [Pennsylvania](https://en.wikipedia.org/wiki/Pennsylvania "Pennsylvania"), [New Jersey](https://en.wikipedia.org/wiki/New_Jersey "New Jersey"), [New York](https://en.wikipedia.org/wiki/New_York_\(state\) "New York (state)"), [Connecticut](https://en.wikipedia.org/wiki/Connecticut "Connecticut"), [Rhode Island](https://en.wikipedia.org/wiki/Rhode_Island "Rhode Island"), [Massachusetts](https://en.wikipedia.org/wiki/Massachusetts "Massachusetts"), [New Hampshire](https://en.wikipedia.org/wiki/New_Hampshire "New Hampshire"), [Maine](https://en.wikipedia.org/wiki/Maine "Maine") | |
| Highway system | | |
| **[United States Numbered Highway System](https://en.wikipedia.org/wiki/United_States_Numbered_Highway_System "United States Numbered Highway System")** [List](https://en.wikipedia.org/wiki/List_of_United_States_Numbered_Highways "List of United States Numbered Highways") [Special](https://en.wikipedia.org/wiki/List_of_special_routes_of_the_United_States_Numbered_Highway_System "List of special routes of the United States Numbered Highway System") [Divided](https://en.wikipedia.org/wiki/List_of_divided_U.S._Routes "List of divided U.S. Routes") | | |
| | | |
| ā  [US 425](https://en.wikipedia.org/wiki/U.S._Route_425 "U.S. Route 425") | **[US](https://en.wikipedia.org/wiki/List_of_United_States_Numbered_Highways "List of United States Numbered Highways")** | ā  [US 2](https://en.wikipedia.org/wiki/U.S._Route_2 "U.S. Route 2") |
| ā  [Route 32A](https://en.wikipedia.org/wiki/Route_32A_\(New_England\) "Route 32A (New England)") | **[N.E.](https://en.wikipedia.org/wiki/New_England_road_marking_system "New England road marking system")** | ā  [Route 1A](https://en.wikipedia.org/wiki/Route_1A_\(New_England\) "Route 1A (New England)") |
**U.S. Route 1** or **U.S. Highway 1** (**US 1**) is a major northāsouth [United States Numbered Highway](https://en.wikipedia.org/wiki/United_States_Numbered_Highway_System "United States Numbered Highway System") that serves the [East Coast of the United States](https://en.wikipedia.org/wiki/East_Coast_of_the_United_States "East Coast of the United States"). It runs 2,370 miles (3,810 km) from [Key West](https://en.wikipedia.org/wiki/Key_West "Key West"), [Florida](https://en.wikipedia.org/wiki/Florida "Florida"), north to [Fort Kent, Maine](https://en.wikipedia.org/wiki/Fort_Kent,_Maine "Fort Kent, Maine"), at the [Canadian border](https://en.wikipedia.org/wiki/Canada%E2%80%93United_States_border "CanadaāUnited States border"), making it the longest northāsouth road in the United States.[\[2\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-Magic_valley_lists_US_1_as_the_longest_US_Route_in_the_United_States-2) US 1 is generally paralleled by [Interstate 95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") (I-95), though US 1 is significantly farther west and inland between [Jacksonville, Florida](https://en.wikipedia.org/wiki/Jacksonville,_Florida "Jacksonville, Florida"), and [Petersburg, Virginia](https://en.wikipedia.org/wiki/Petersburg,_Virginia "Petersburg, Virginia"), while I-95 is closer to the coastline. In contrast, US 1 in Maine is much closer to the coast than I-95, which runs farther inland than US 1. The route connects most of the major cities of the [East Coast](https://en.wikipedia.org/wiki/East_Coast_of_the_United_States "East Coast of the United States") from the [Southeastern United States](https://en.wikipedia.org/wiki/Southeastern_United_States "Southeastern United States") to [New England](https://en.wikipedia.org/wiki/New_England "New England"), including [Miami](https://en.wikipedia.org/wiki/Miami "Miami"), [Jacksonville](https://en.wikipedia.org/wiki/Jacksonville,_Florida "Jacksonville, Florida"), [Augusta](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia"), [Columbia](https://en.wikipedia.org/wiki/Columbia,_South_Carolina "Columbia, South Carolina"), [Raleigh](https://en.wikipedia.org/wiki/Raleigh,_North_Carolina "Raleigh, North Carolina"), [Richmond](https://en.wikipedia.org/wiki/Richmond,_Virginia "Richmond, Virginia"), [Washington, D.C.](https://en.wikipedia.org/wiki/Washington,_D.C. "Washington, D.C."), [Baltimore](https://en.wikipedia.org/wiki/Baltimore "Baltimore"), [Philadelphia](https://en.wikipedia.org/wiki/Philadelphia "Philadelphia"), [Newark](https://en.wikipedia.org/wiki/Newark,_New_Jersey "Newark, New Jersey"), [New York City](https://en.wikipedia.org/wiki/New_York_City "New York City"), [New Haven](https://en.wikipedia.org/wiki/New_Haven,_Connecticut "New Haven, Connecticut"), [Providence](https://en.wikipedia.org/wiki/Providence,_Rhode_Island "Providence, Rhode Island"), [Boston](https://en.wikipedia.org/wiki/Boston "Boston"), and [Portland](https://en.wikipedia.org/wiki/Portland,_Maine "Portland, Maine").
While US 1 is generally the easternmost of the main northāsouth U.S. Routes, parts of several others occupy corridors closer to the ocean. When the road system was laid out in the 1920s, US 1 was mostly assigned to the existing [Atlantic Highway](https://en.wikipedia.org/wiki/Atlantic_Highway_\(United_States\) "Atlantic Highway (United States)"), which followed the [Atlantic Seaboard Fall Line](https://en.wikipedia.org/wiki/Atlantic_Seaboard_Fall_Line "Atlantic Seaboard Fall Line") between the [Piedmont](https://en.wikipedia.org/wiki/Piedmont_\(United_States\) "Piedmont (United States)") and the [Atlantic Plain](https://en.wikipedia.org/wiki/Atlantic_Plain "Atlantic Plain") north of [Augusta, Georgia](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia").[\[3\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-3) At the time, the highways farther east were of lower quality and did not serve the major population centers.[\[4\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-1926_Rand_McNally-4) From [Henderson, North Carolina](https://en.wikipedia.org/wiki/Henderson,_North_Carolina "Henderson, North Carolina"), to [Petersburg, Virginia](https://en.wikipedia.org/wiki/Petersburg,_Virginia "Petersburg, Virginia"), it is paralleled by [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85"). Construction of the Interstate Highway System gradually changed the use and character of US 1, and I-95 became the major northāsouth East Coast highway by the late 1960s.
## Route description
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=1 "Edit section: Route description")\]
| | [mi](https://en.wikipedia.org/wiki/Mile "Mile") | [km](https://en.wikipedia.org/wiki/Kilometer "Kilometer") |
|---|---|---|
| [FL](https://en.wikipedia.org/wiki/U.S._Route_1_in_Florida "U.S. Route 1 in Florida") | 545 | 877 |
| [GA](https://en.wikipedia.org/wiki/U.S._Route_1_in_Georgia "U.S. Route 1 in Georgia") | 223 | 359 |
| [SC](https://en.wikipedia.org/wiki/U.S._Route_1_in_South_Carolina "U.S. Route 1 in South Carolina") | 171 | 275 |
| [NC](https://en.wikipedia.org/wiki/U.S._Route_1_in_North_Carolina "U.S. Route 1 in North Carolina") | 174 | 280 |
| [VA](https://en.wikipedia.org/wiki/U.S._Route_1_in_Virginia "U.S. Route 1 in Virginia") | 197 | 317 |
| [DC](https://en.wikipedia.org/wiki/U.S._Route_1_in_the_District_of_Columbia "U.S. Route 1 in the District of Columbia") | 7 | 11 |
| [MD](https://en.wikipedia.org/wiki/U.S._Route_1_in_Maryland "U.S. Route 1 in Maryland") | 81 | 130 |
| [PA](https://en.wikipedia.org/wiki/U.S._Route_1_in_Pennsylvania "U.S. Route 1 in Pennsylvania") | 81 | 130 |
| [NJ](https://en.wikipedia.org/wiki/U.S._Route_1_in_New_Jersey "U.S. Route 1 in New Jersey") | 66 | 106 |
| [NY](https://en.wikipedia.org/wiki/U.S._Route_1_in_New_York "U.S. Route 1 in New York") | 22 | 35 |
| [CT](https://en.wikipedia.org/wiki/U.S._Route_1_in_Connecticut "U.S. Route 1 in Connecticut") | 117 | 188 |
| [RI](https://en.wikipedia.org/wiki/U.S._Route_1_in_Rhode_Island "U.S. Route 1 in Rhode Island") | 57 | 92 |
| [MA](https://en.wikipedia.org/wiki/U.S._Route_1_in_Massachusetts "U.S. Route 1 in Massachusetts") | 86 | 138 |
| [NH](https://en.wikipedia.org/wiki/U.S._Route_1_in_New_Hampshire "U.S. Route 1 in New Hampshire") | 17 | 27 |
| [ME](https://en.wikipedia.org/wiki/U.S._Route_1_in_Maine "U.S. Route 1 in Maine") | 526 | 847 |
| Total | 2,369 | 3,813 |
[](https://en.wikipedia.org/wiki/File:US_1_\(FL\).svg)
A US 1 shield used in Florida prior to 1993
[](https://en.wikipedia.org/wiki/File:Southernmost_point_of_U.S._Highway_1.jpg)
Mile 0, Key West, Florida
[](https://en.wikipedia.org/wiki/File:Moser_Channel_top.jpg)
US 1 crossing [Moser Channel](https://en.wikipedia.org/wiki/Moser_Channel "Moser Channel") along the Overseas Highway, Florida Keys
[](https://en.wikipedia.org/wiki/File:Southern_Biscayne_Boulevard.jpg)
US 1 along [Biscayne Boulevard](https://en.wikipedia.org/wiki/Biscayne_Boulevard "Biscayne Boulevard") in downtown Miami, Florida
[](https://en.wikipedia.org/wiki/File:Augsky2.JPG)
Skyline of Augusta, Georgia, as seen from US 1 in North Augusta near I-520
[](https://en.wikipedia.org/wiki/File:Beltline1.JPG)
[I-40](https://en.wikipedia.org/wiki/Interstate_40 "Interstate 40") east approaching the Raleigh Beltline, which includes US 1
[](https://en.wikipedia.org/wiki/File:14thStreetbridgeWashingtonDC.jpg)
US 1 going over the left-most of the [14th Street bridges](https://en.wikipedia.org/wiki/14th_Street_bridges "14th Street bridges"), Washington DC
[](https://en.wikipedia.org/wiki/File:2021-08-16_13_32_31_View_of_the_Conowingo_Dam_from_Maryland_State_Route_222_\(Susquehanna_River_Road\)_in_Conowingo_Station,_Cecil_County,_Maryland.jpg)
US 1 crossing the [Susquehanna River](https://en.wikipedia.org/wiki/Susquehanna_River "Susquehanna River") on the [Conowingo Dam](https://en.wikipedia.org/wiki/Conowingo_Dam "Conowingo Dam") in Cecil County, Maryland
[](https://en.wikipedia.org/wiki/File:US_1_NB_past_PA_532.jpeg)
US 1 along [Roosevelt Boulevard](https://en.wikipedia.org/wiki/Roosevelt_Boulevard_\(Philadelphia\) "Roosevelt Boulevard (Philadelphia)") in Philadelphia, Pennsylvania
[](https://en.wikipedia.org/wiki/File:Pulaski_Skyway_full_view.jpg)
[Pulaski Skyway](https://en.wikipedia.org/wiki/Pulaski_Skyway "Pulaski Skyway"), in Jersey City, Kearny, and Newark, New Jersey
[](https://en.wikipedia.org/wiki/File:Boston_skyline_from_Malone_Park,_Chelsea,_February_2014.jpg)
[Tobin Bridge](https://en.wikipedia.org/wiki/Tobin_Bridge "Tobin Bridge") with the Boston skyline, as seen from [Chelsea, Massachusetts](https://en.wikipedia.org/wiki/Chelsea,_Massachusetts "Chelsea, Massachusetts")
[](https://en.wikipedia.org/wiki/File:Memorial_Bridge_\(Portsmouth,_New_Hampshire\)_April_2016.JPG)
[Memorial Bridge](https://en.wikipedia.org/wiki/Memorial_Bridge_\(Portsmouth,_New_Hampshire\) "Memorial Bridge (Portsmouth, New Hampshire)") between New Hampshire and Maine, 2016
[](https://en.wikipedia.org/wiki/File:Start_US_Highway_1.jpg)
Monument in Fort Kent dedicated to US 1, Fort Kent, Maine
### Florida
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=2 "Edit section: Florida")\]
Main articles: [U.S. Route 1 in Florida](https://en.wikipedia.org/wiki/U.S._Route_1_in_Florida "U.S. Route 1 in Florida") and [Overseas Highway](https://en.wikipedia.org/wiki/Overseas_Highway "Overseas Highway")
US 1 travels along the east coast of [Florida](https://en.wikipedia.org/wiki/Florida "Florida"), beginning at 490 Whitehead Street in [Key West](https://en.wikipedia.org/wiki/Key_West "Key West")[\[5\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-5) and passing through [Miami](https://en.wikipedia.org/wiki/Miami "Miami"), [Hollywood](https://en.wikipedia.org/wiki/Hollywood,_Florida "Hollywood, Florida"), [Fort Lauderdale](https://en.wikipedia.org/wiki/Fort_Lauderdale,_Florida "Fort Lauderdale, Florida"), [Boca Raton](https://en.wikipedia.org/wiki/Boca_Raton,_Florida "Boca Raton, Florida"), [West Palm Beach](https://en.wikipedia.org/wiki/West_Palm_Beach,_Florida "West Palm Beach, Florida"), [Jupiter](https://en.wikipedia.org/wiki/Jupiter,_Florida "Jupiter, Florida"), [Fort Pierce](https://en.wikipedia.org/wiki/Fort_Pierce,_Florida "Fort Pierce, Florida"), [Melbourne](https://en.wikipedia.org/wiki/Melbourne,_Florida "Melbourne, Florida"), [Cocoa](https://en.wikipedia.org/wiki/Cocoa,_Florida "Cocoa, Florida"), [Titusville](https://en.wikipedia.org/wiki/Titusville,_Florida "Titusville, Florida"), [Daytona Beach](https://en.wikipedia.org/wiki/Daytona_Beach,_Florida "Daytona Beach, Florida"), [Palm Coast](https://en.wikipedia.org/wiki/Palm_Coast,_Florida "Palm Coast, Florida"), [St. Augustine](https://en.wikipedia.org/wiki/St._Augustine,_Florida "St. Augustine, Florida"), and [Jacksonville](https://en.wikipedia.org/wiki/Jacksonville,_Florida "Jacksonville, Florida"). The southernmost piece through the chain islands of the [Florida Keys](https://en.wikipedia.org/wiki/Florida_Keys "Florida Keys"), about 100 miles (160 km) long, is the two-lane [Overseas Highway](https://en.wikipedia.org/wiki/Overseas_Highway "Overseas Highway"), originally built in the late 1930s after railroad tycoon [Henry Flagler](https://en.wikipedia.org/wiki/Henry_Flagler "Henry Flagler")'s [Florida East Coast Railway](https://en.wikipedia.org/wiki/Florida_East_Coast_Railway "Florida East Coast Railway")'s [Overseas Railroad](https://en.wikipedia.org/wiki/Overseas_Railroad "Overseas Railroad"), which was built between 1905 and 1912 on stone pillars, was ruined by the [1935 Labor Day hurricane](https://en.wikipedia.org/wiki/1935_Labor_Day_hurricane "1935 Labor Day hurricane"). The rest of US 1 in Florida is generally a four-lane [divided highway](https://en.wikipedia.org/wiki/Divided_highway "Divided highway"), despite the existence of the newer [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") not far away. Famous vacation scenic route [State Road A1A](https://en.wikipedia.org/wiki/Florida_State_Road_A1A "Florida State Road A1A") is a continuous oceanfront alternate to US 1 that runs along the beaches of the [Atlantic Ocean](https://en.wikipedia.org/wiki/Atlantic_Ocean "Atlantic Ocean"), cut only by assorted unbridged inlets and the [Kennedy Space Center](https://en.wikipedia.org/wiki/Kennedy_Space_Center "Kennedy Space Center") at [Cape Canaveral](https://en.wikipedia.org/wiki/Cape_Canaveral "Cape Canaveral"). North of Jacksonville, US 1 turns northwest toward [Augusta, Georgia](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia"); [US 17](https://en.wikipedia.org/wiki/U.S._Route_17 "U.S. Route 17") becomes the coastal route into [Virginia](https://en.wikipedia.org/wiki/Virginia "Virginia"), where [US 13](https://en.wikipedia.org/wiki/U.S._Route_13 "U.S. Route 13") takes over.[\[6\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-maps-6) In Florida until the 1990s, US 1 used high-contrast markers (white text on a red background).[\[7\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-7)
### Georgia
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=3 "Edit section: Georgia")\]
Main article: [U.S. Route 1 in Georgia](https://en.wikipedia.org/wiki/U.S._Route_1_in_Georgia "U.S. Route 1 in Georgia")
The part of US 1 in [Georgia](https://en.wikipedia.org/wiki/Georgia_\(U.S._state\) "Georgia (U.S. state)"), as it shifts from the coastal alignment in Florida to the Atlantic Seaboard Fall Line alignment in South Carolina, is generally very rural, passing through marshes and former [plantations](https://en.wikipedia.org/wiki/Plantation_complexes_in_the_Southern_United_States "Plantation complexes in the Southern United States") between the towns and cities of [Folkston](https://en.wikipedia.org/wiki/Folkston,_Georgia "Folkston, Georgia"), [Waycross](https://en.wikipedia.org/wiki/Waycross,_Georgia "Waycross, Georgia"), [Alma](https://en.wikipedia.org/wiki/Alma,_Georgia "Alma, Georgia"), [Baxley](https://en.wikipedia.org/wiki/Baxley,_Georgia "Baxley, Georgia"), [Lyons](https://en.wikipedia.org/wiki/Lyons,_Georgia "Lyons, Georgia"), [Swainsboro](https://en.wikipedia.org/wiki/Swainsboro,_Georgia "Swainsboro, Georgia"), and [Augusta](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia"). The [Georgia Department of Transportation](https://en.wikipedia.org/wiki/Georgia_Department_of_Transportation "Georgia Department of Transportation") has an ongoing plan to widen all of US 1 to four lanes with bypasses, which is more than 50 percent complete.
### The Carolinas
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=4 "Edit section: The Carolinas")\]
Main articles: [U.S. Route 1 in South Carolina](https://en.wikipedia.org/wiki/U.S._Route_1_in_South_Carolina "U.S. Route 1 in South Carolina") and [U.S. Route 1 in North Carolina](https://en.wikipedia.org/wiki/U.S._Route_1_in_North_Carolina "U.S. Route 1 in North Carolina")
In [South Carolina](https://en.wikipedia.org/wiki/South_Carolina "South Carolina"), US 1 generally serves mostly rural areas as it falls west of [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") while the coastal areas are served by routes east of it. Starting in South Carolina, US 1 is paralleled by [I-20](https://en.wikipedia.org/wiki/Interstate_20 "Interstate 20") along the [Atlantic Seaboard Fall Line](https://en.wikipedia.org/wiki/Atlantic_Seaboard_Fall_Line "Atlantic Seaboard Fall Line") through [Aiken](https://en.wikipedia.org/wiki/Aiken,_South_Carolina "Aiken, South Carolina"), [Lexington](https://en.wikipedia.org/wiki/Lexington,_South_Carolina "Lexington, South Carolina"), and [Columbia](https://en.wikipedia.org/wiki/Columbia,_South_Carolina "Columbia, South Carolina") to [Camden](https://en.wikipedia.org/wiki/Camden,_South_Carolina "Camden, South Carolina") and [Lugoff](https://en.wikipedia.org/wiki/Lugoff,_South_Carolina "Lugoff, South Carolina"). US 1 functions as a local two-lane road with occasional boulevard stretches. After Camden, US 1 continues northeast away from any Interstate toward [Bethune](https://en.wikipedia.org/wiki/Bethune,_South_Carolina "Bethune, South Carolina"), [Patrick](https://en.wikipedia.org/wiki/Patrick,_South_Carolina "Patrick, South Carolina"), [McBee](https://en.wikipedia.org/wiki/McBee,_South_Carolina "McBee, South Carolina"), and [Cheraw](https://en.wikipedia.org/wiki/Cheraw,_South_Carolina "Cheraw, South Carolina") with no bypasses or four-lane sections except around Cheraw through the [US 52](https://en.wikipedia.org/wiki/U.S._Route_52 "U.S. Route 52") and [South Carolina Highway 9](https://en.wikipedia.org/wiki/South_Carolina_Highway_9 "South Carolina Highway 9") (SC 9) concurrencies. After SC 9, it continues northward into North Carolina as a two -lane highway. The [South Carolina Department of Transportation](https://en.wikipedia.org/wiki/South_Carolina_Department_of_Transportation "South Carolina Department of Transportation") (SCDOT) has no plans to widen or bypass any US 1 alignments northeast of Camden to the North Carolina line.
Between the South Carolina line and the [US 74](https://en.wikipedia.org/wiki/U.S._Route_74 "U.S. Route 74") bypass, US 1 is a two-lane road but sees a considerable amount of truck and tourist traffic of people cutting through from the US 74/[US 220](https://en.wikipedia.org/wiki/U.S._Route_220 "U.S. Route 220") and [I-73](https://en.wikipedia.org/wiki/Interstate_73 "Interstate 73")/[I-74](https://en.wikipedia.org/wiki/Interstate_74 "Interstate 74") corridor attempting to reach points south and east. US 1 goes through downtown [Rockingham](https://en.wikipedia.org/wiki/Rockingham,_North_Carolina "Rockingham, North Carolina"), with a bypass in the future plans. North of the [North Carolina Highway 177](https://en.wikipedia.org/wiki/North_Carolina_Highway_177 "North Carolina Highway 177") (NC 177) junction, it becomes four lanes or greater, becoming a [superstreet](https://en.wikipedia.org/wiki/Superstreet "Superstreet") with limited access and then becoming a limited access freeway. US 1 becomes a major artery for the state as it moves north of Rockingham. After [Richmond County](https://en.wikipedia.org/wiki/Richmond_County,_North_Carolina "Richmond County, North Carolina"), it goes into [Moore County](https://en.wikipedia.org/wiki/Moore_County,_North_Carolina "Moore County, North Carolina") with two expressway bypasses in [Southern Pines](https://en.wikipedia.org/wiki/Southern_Pines,_North_Carolina "Southern Pines, North Carolina"), [Vass](https://en.wikipedia.org/wiki/Vass,_North_Carolina "Vass, North Carolina"), and [Cameron](https://en.wikipedia.org/wiki/Cameron,_North_Carolina "Cameron, North Carolina"). US 1 continues with the [Jefferson Davis Highway](https://en.wikipedia.org/wiki/Jefferson_Davis_Highway "Jefferson Davis Highway") label through [Lee County](https://en.wikipedia.org/wiki/Lee_County,_North_Carolina "Lee County, North Carolina") and [Sanford](https://en.wikipedia.org/wiki/Sanford,_North_Carolina "Sanford, North Carolina"), and on to [Cary](https://en.wikipedia.org/wiki/Cary,_North_Carolina "Cary, North Carolina") and [Raleigh](https://en.wikipedia.org/wiki/Raleigh,_North_Carolina "Raleigh, North Carolina"). US 1 runs concurrently with [US 64](https://en.wikipedia.org/wiki/U.S._Route_64 "U.S. Route 64") through most of Cary, where the freeway recently underwent a major renovation and improvements that added lanes in both directions.[\[8\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-8) North of Raleigh, US 1 (known as Capital Boulevard in northern Wake County) crosses [I-540](https://en.wikipedia.org/wiki/Interstate_540_\(North_Carolina\) "Interstate 540 (North Carolina)") and then again becomes a four-lane divided arterial to [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") near [Henderson](https://en.wikipedia.org/wiki/Henderson,_North_Carolina "Henderson, North Carolina"). The [North Carolina Department of Transportation](https://en.wikipedia.org/wiki/North_Carolina_Department_of_Transportation "North Carolina Department of Transportation") (NCDOT) has begun a corridor study for this section of US 1[\[9\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-9) to determine the feasibility of transitioning the stretch of highway from I-540 to Wake Forest into a toll road.[\[10\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-10) Moreover, NCDOT is planning to finish four-laning US 1 in Richmond County past NC 177 with a Rockingham bypass to the east. There are no plans from SCDOT to widen US 1 from the state line. From Henderson into Virginia, US 1 runs parallel with I-85 as a two-lane local road until the state line, where Virginia hosts a continuous third center lane for alternate passing toward [US 58](https://en.wikipedia.org/wiki/U.S._Route_58 "U.S. Route 58") before [South Hill](https://en.wikipedia.org/wiki/South_Hill,_Virginia "South Hill, Virginia").
### Mid-Atlantic
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=5 "Edit section: Mid-Atlantic")\]
Main articles: [U.S. Route 1 in Virginia](https://en.wikipedia.org/wiki/U.S._Route_1_in_Virginia "U.S. Route 1 in Virginia"), [U.S. Route 1 in the District of Columbia](https://en.wikipedia.org/wiki/U.S._Route_1_in_the_District_of_Columbia "U.S. Route 1 in the District of Columbia"), [U.S. Route 1 in Maryland](https://en.wikipedia.org/wiki/U.S._Route_1_in_Maryland "U.S. Route 1 in Maryland"), [U.S. Route 1 in Pennsylvania](https://en.wikipedia.org/wiki/U.S._Route_1_in_Pennsylvania "U.S. Route 1 in Pennsylvania"), [U.S. Route 1 in New Jersey](https://en.wikipedia.org/wiki/U.S._Route_1_in_New_Jersey "U.S. Route 1 in New Jersey"), and [U.S. Route 1 in New York](https://en.wikipedia.org/wiki/U.S._Route_1_in_New_York "U.S. Route 1 in New York")
In the [Mid-Atlantic](https://en.wikipedia.org/wiki/Mid-Atlantic_\(United_States\) "Mid-Atlantic (United States)"), US 1 generally serves some of the [most populated areas of the east coast](https://en.wikipedia.org/wiki/Northeast_megalopolis "Northeast megalopolis"). Through [Virginia](https://en.wikipedia.org/wiki/Virginia "Virginia"), US 1 is paralleled by Interstates: the remainder of [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") to [Petersburg](https://en.wikipedia.org/wiki/Petersburg,_Virginia "Petersburg, Virginia"), [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") through [Richmond](https://en.wikipedia.org/wiki/Richmond,_Virginia "Richmond, Virginia") and [Fredericksburg](https://en.wikipedia.org/wiki/Fredericksburg,_Virginia "Fredericksburg, Virginia") to [Alexandria](https://en.wikipedia.org/wiki/Alexandria,_Virginia "Alexandria, Virginia"), and [I-395](https://en.wikipedia.org/wiki/Interstate_395_\(Virginia%E2%80%93District_of_Columbia\) "Interstate 395 (VirginiaāDistrict of Columbia)") into [Arlington](https://en.wikipedia.org/wiki/Arlington_County,_Virginia "Arlington County, Virginia"). In much of Virginia, US 1 was called the [Jefferson Davis Highway](https://en.wikipedia.org/wiki/Jefferson_Davis_Highway "Jefferson Davis Highway") by state law, although there are exceptions. South of Petersburg, it is known as Boydton Plank Road. Through some of [Fairfax County](https://en.wikipedia.org/wiki/Fairfax_County,_Virginia "Fairfax County, Virginia") and Alexandria, it is called the Richmond Highway.[\[11\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-11) In February 2021, Virginia renamed all remaining portions of the Jefferson Davis Highway in the state to Emancipation Highway beginning on January 1, 2022.[\[12\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-:0-12)[\[13\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-:2-13)
US 1 crosses the [Potomac River](https://en.wikipedia.org/wiki/Potomac_River "Potomac River") with I-395 on the [14th Street bridges](https://en.wikipedia.org/wiki/14th_Street_bridges "14th Street bridges") and splits to follow mainly [14th Street](https://en.wikipedia.org/wiki/14th_Street_\(Washington,_D.C.\) "14th Street (Washington, D.C.)") and [Rhode Island Avenue](https://en.wikipedia.org/wiki/Rhode_Island_Avenue "Rhode Island Avenue") through the [District of Columbia](https://en.wikipedia.org/wiki/District_of_Columbia "District of Columbia"). US 1 is at the minimum of three lanes (with alternate passing) from the North Carolina state line to Petersburg with occasional four-lane divided sections. North of Petersburg is a four-lane undivided roadway at the minimum to the DC line. The route of US 1 from Petersburg to the state line is parallel with the [Atlantic Seaboard Fall Line](https://en.wikipedia.org/wiki/Atlantic_Seaboard_Fall_Line "Atlantic Seaboard Fall Line"). From Petersburg onward, it is parallel with I-95. After exiting DC into [Maryland](https://en.wikipedia.org/wiki/Maryland "Maryland"), US 1 follows the BaltimoreāWashington Boulevard, the first of several modern highways built along the [WashingtonāBaltimore combined statistical area](https://en.wikipedia.org/wiki/Washington%E2%80%93Baltimore_combined_statistical_area "WashingtonāBaltimore combined statistical area") corridor; I-95 is the newest, after the [BaltimoreāWashington Parkway](https://en.wikipedia.org/wiki/Baltimore%E2%80%93Washington_Parkway "BaltimoreāWashington Parkway"). US 1 runs through the [University of Maryland, College Park](https://en.wikipedia.org/wiki/University_of_Maryland,_College_Park "University of Maryland, College Park"), campus in [College Park, Maryland](https://en.wikipedia.org/wiki/College_Park,_Maryland "College Park, Maryland"). The route bypasses [Downtown Baltimore](https://en.wikipedia.org/wiki/Downtown_Baltimore "Downtown Baltimore") on [North Avenue](https://en.wikipedia.org/wiki/North_Avenue_\(Baltimore\) "North Avenue (Baltimore)") and exits the city to the northeast on Belair Road, gradually leaving the I-95 corridor, which passes through [Wilmington, Delaware](https://en.wikipedia.org/wiki/Wilmington,_Delaware "Wilmington, Delaware"), for a straighter path toward [Philadelphia](https://en.wikipedia.org/wiki/Philadelphia "Philadelphia"). Around and beyond [Bel Air](https://en.wikipedia.org/wiki/Bel_Air,_Harford_County,_Maryland "Bel Air, Harford County, Maryland"), US 1 is a two-lane road, crossing the [Susquehanna River](https://en.wikipedia.org/wiki/Susquehanna_River "Susquehanna River") over the top of the [Conowingo Dam](https://en.wikipedia.org/wiki/Conowingo_Dam "Conowingo Dam") before entering Pennsylvania. (Routed further north, US 1 bypasses the state of [Delaware](https://en.wikipedia.org/wiki/Delaware "Delaware"), unlike I-95.)[\[6\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-maps-6)
The two-lane US 1 becomes a four-lane [expressway](https://en.wikipedia.org/wiki/Controlled-access_highway "Controlled-access highway"), officially known as the John H. Ware III Memorial Highway, after [the Pennsylvania representative](https://en.wikipedia.org/wiki/John_H._Ware_III "John H. Ware III"), just after crossing into [Pennsylvania](https://en.wikipedia.org/wiki/Pennsylvania "Pennsylvania"). This bypass extends around [Oxford](https://en.wikipedia.org/wiki/Oxford,_Pennsylvania "Oxford, Pennsylvania") and [Kennett Square](https://en.wikipedia.org/wiki/Kennett_Square,_Pennsylvania "Kennett Square, Pennsylvania"), merging into the four-lane divided [Baltimore Pike](https://en.wikipedia.org/wiki/Baltimore_Pike "Baltimore Pike") just beyond the latter. At [Media](https://en.wikipedia.org/wiki/Media,_Pennsylvania "Media, Pennsylvania"), US 1 again becomes a freewayāthe Media Bypassāending just beyond [I-476](https://en.wikipedia.org/wiki/Interstate_476 "Interstate 476"). After several name changes, the road becomes [City Avenue](https://en.wikipedia.org/wiki/City_Avenue "City Avenue"), the western city limits of [Philadelphia](https://en.wikipedia.org/wiki/Philadelphia "Philadelphia"), at the end of which a short [overlap](https://en.wikipedia.org/wiki/Concurrency_\(road\) "Concurrency (road)") with [I-76](https://en.wikipedia.org/wiki/Interstate_76_\(Ohio%E2%80%93New_Jersey\) "Interstate 76 (OhioāNew Jersey)") leads to the [Roosevelt Expressway](https://en.wikipedia.org/wiki/Roosevelt_Expressway_\(Philadelphia\) "Roosevelt Expressway (Philadelphia)") and then the 12-lane [Roosevelt Boulevard](https://en.wikipedia.org/wiki/Roosevelt_Boulevard_\(Philadelphia\) "Roosevelt Boulevard (Philadelphia)") partly overlapping [US 13](https://en.wikipedia.org/wiki/U.S._Route_13 "U.S. Route 13"). US 1 again becomes a freeway after leaving the city, bypassing [Penndel](https://en.wikipedia.org/wiki/Penndel,_Pennsylvania "Penndel, Pennsylvania") and [Morrisville](https://en.wikipedia.org/wiki/Morrisville,_Bucks_County,_Pennsylvania "Morrisville, Bucks County, Pennsylvania") and crossing the [Delaware River](https://en.wikipedia.org/wiki/Delaware_River "Delaware River") into [New Jersey](https://en.wikipedia.org/wiki/New_Jersey "New Jersey") on the [TrentonāMorrisville Toll Bridge](https://en.wikipedia.org/wiki/Trenton%E2%80%93Morrisville_Toll_Bridge "TrentonāMorrisville Toll Bridge").[\[6\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-maps-6)
After crossing into [New Jersey](https://en.wikipedia.org/wiki/New_Jersey "New Jersey") in Mercer County, US 1 continues on the [Trenton Freeway](https://en.wikipedia.org/wiki/Trenton_Freeway "Trenton Freeway") through the state capital of [Trenton](https://en.wikipedia.org/wiki/Trenton,_New_Jersey "Trenton, New Jersey") and [Lawrence Township](https://en.wikipedia.org/wiki/Lawrence_Township,_Mercer_County,_New_Jersey "Lawrence Township, Mercer County, New Jersey") as a four-lane freeway. As the freeway ends, the four-lane [divided highway](https://en.wikipedia.org/wiki/Divided_highway "Divided highway") upgrades to six lanes north of [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Delaware%E2%80%93Pennsylvania\) "Interstate 295 (DelawareāPennsylvania)") passing through the [Penns Neck](https://en.wikipedia.org/wiki/Penns_Neck,_New_Jersey "Penns Neck, New Jersey") section of [West Windsor](https://en.wikipedia.org/wiki/West_Windsor,_New_Jersey "West Windsor, New Jersey"). Through Penns Neck is a series of traffic signals. The [New Jersey Department of Transportation](https://en.wikipedia.org/wiki/New_Jersey_Department_of_Transportation "New Jersey Department of Transportation") (NJDOT) is looking to revamp the highway through this area by replacing traffic signals with grade separations. The highway enters [Middlesex County](https://en.wikipedia.org/wiki/Middlesex_County,_New_Jersey "Middlesex County, New Jersey") through [Plainsboro Township](https://en.wikipedia.org/wiki/Plainsboro_Township,_New_Jersey "Plainsboro Township, New Jersey") and [South Brunswick](https://en.wikipedia.org/wiki/South_Brunswick,_New_Jersey "South Brunswick, New Jersey"), where the highest point resides.[\[14\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-14) By Forrestal Village, the highway downgrades from six to four lanes until after Finnegans Lane in [North Brunswick](https://en.wikipedia.org/wiki/North_Brunswick,_New_Jersey "North Brunswick, New Jersey"). Northward, it continues through [New Brunswick](https://en.wikipedia.org/wiki/New_Brunswick,_New_Jersey "New Brunswick, New Jersey") as a short limited-access highway until the [County Route 529](https://en.wikipedia.org/wiki/County_Route_529_\(New_Jersey\) "County Route 529 (New Jersey)") (CR 529)/Plainfield Avenue traffic signal in [Edison](https://en.wikipedia.org/wiki/Edison,_New_Jersey "Edison, New Jersey"). Through Edison and [Woodbridge Township](https://en.wikipedia.org/wiki/Woodbridge_Township,_New_Jersey "Woodbridge Township, New Jersey"), US 1 has a mix of boulevard and limited-access segments and continues to do so after the [US 9](https://en.wikipedia.org/wiki/U.S._Route_9_in_New_Jersey "U.S. Route 9 in New Jersey") juncture in the [Avenel](https://en.wikipedia.org/wiki/Avenel,_New_Jersey "Avenel, New Jersey") section of Woodbridge. The [US 1/9](https://en.wikipedia.org/wiki/U.S._Route_1/9 "U.S. Route 1/9") [concurrency](https://en.wikipedia.org/wiki/Concurrency_\(road\) "Concurrency (road)") continues through the rest of the state. The six-lane divided highway remains through [Rahway](https://en.wikipedia.org/wiki/Rahway,_New_Jersey "Rahway, New Jersey") in [Union County](https://en.wikipedia.org/wiki/Union_County,_New_Jersey "Union County, New Jersey") and [Elizabeth](https://en.wikipedia.org/wiki/Elizabeth,_New_Jersey "Elizabeth, New Jersey"), until it reaches [Newark Liberty International Airport](https://en.wikipedia.org/wiki/Newark_Liberty_International_Airport "Newark Liberty International Airport"), where it becomes a dual carriageway freeway around downtown [Newark](https://en.wikipedia.org/wiki/Newark,_New_Jersey "Newark, New Jersey") in [Essex County](https://en.wikipedia.org/wiki/Essex_County,_New_Jersey "Essex County, New Jersey") with a 2ā2ā2ā2 configuration. The historic [Pulaski Skyway](https://en.wikipedia.org/wiki/Pulaski_Skyway "Pulaski Skyway") takes US 1/9 into [Jersey City](https://en.wikipedia.org/wiki/Jersey_City,_New_Jersey "Jersey City, New Jersey"), and the route exits the freeway at the [Tonnele Circle](https://en.wikipedia.org/wiki/Tonnele_Circle "Tonnele Circle") to head north into [Bergen County](https://en.wikipedia.org/wiki/Bergen_County,_New_Jersey "Bergen County, New Jersey"). US 1/9 turns onto [US 46](https://en.wikipedia.org/wiki/U.S._Route_46 "U.S. Route 46") as a limited-access highway, and the three routes run northeast to the [George Washington Bridge Plaza](https://en.wikipedia.org/wiki/George_Washington_Bridge_Plaza "George Washington Bridge Plaza"), where they merge into I-95. US 46 ends in the middle of the bridge, which crosses the [Hudson River](https://en.wikipedia.org/wiki/Hudson_River "Hudson River") into [New York](https://en.wikipedia.org/wiki/New_York_\(state\) "New York (state)"), and [US 9](https://en.wikipedia.org/wiki/U.S._Route_9 "U.S. Route 9") exits just beyond onto [Broadway](https://en.wikipedia.org/wiki/Broadway_\(Manhattan\) "Broadway (Manhattan)") in [Manhattan](https://en.wikipedia.org/wiki/Manhattan "Manhattan"), but US 1 stays with I-95 onto the [Cross Bronx Expressway](https://en.wikipedia.org/wiki/Cross_Bronx_Expressway "Cross Bronx Expressway"), exiting in [the Bronx](https://en.wikipedia.org/wiki/The_Bronx "The Bronx") onto Webster Avenue. Two turns take US 1 via [Fordham Road](https://en.wikipedia.org/wiki/Fordham_Road "Fordham Road") to Boston Road, which it follows northeast out of the city, becoming Boston Post Road in [Westchester County](https://en.wikipedia.org/wiki/Westchester_County,_New_York "Westchester County, New York"), never straying far from I-95. From the Bronx to the state line, it is a local road with two lanes in each direction, except in [Rye](https://en.wikipedia.org/wiki/Rye,_New_York "Rye, New York") where it has a single lane in each direction. As it enters [Greenwich, Connecticut](https://en.wikipedia.org/wiki/Greenwich,_Connecticut "Greenwich, Connecticut"), it continues as a two-lane local road.
### New England
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=6 "Edit section: New England")\]
Main articles: [U.S. Route 1 in Connecticut](https://en.wikipedia.org/wiki/U.S._Route_1_in_Connecticut "U.S. Route 1 in Connecticut"), [U.S. Route 1 in Rhode Island](https://en.wikipedia.org/wiki/U.S._Route_1_in_Rhode_Island "U.S. Route 1 in Rhode Island"), [U.S. Route 1 in Massachusetts](https://en.wikipedia.org/wiki/U.S._Route_1_in_Massachusetts "U.S. Route 1 in Massachusetts"), [U.S. Route 1 in New Hampshire](https://en.wikipedia.org/wiki/U.S._Route_1_in_New_Hampshire "U.S. Route 1 in New Hampshire"), and [U.S. Route 1 in Maine](https://en.wikipedia.org/wiki/U.S._Route_1_in_Maine "U.S. Route 1 in Maine")
In [New England](https://en.wikipedia.org/wiki/New_England "New England"), US 1 generally serves large cities in a side street capacity. In [Connecticut](https://en.wikipedia.org/wiki/Connecticut "Connecticut"), US 1 serves the shore of [Long Island Sound](https://en.wikipedia.org/wiki/Long_Island_Sound "Long Island Sound") parallel to [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95"). Beyond [New Haven](https://en.wikipedia.org/wiki/New_Haven,_Connecticut "New Haven, Connecticut"), the highway travels eastāwest, and some signs in the state indicate this rather than the standard northāsouth. While I-95 in [Rhode Island](https://en.wikipedia.org/wiki/Rhode_Island "Rhode Island") takes a diagonal path to [Providence](https://en.wikipedia.org/wiki/Providence,_Rhode_Island "Providence, Rhode Island"), US 1 continues east along the coast through [Westerly](https://en.wikipedia.org/wiki/Westerly,_Rhode_Island "Westerly, Rhode Island") to [Wakefield-Peacedale](https://en.wikipedia.org/wiki/Wakefield-Peacedale,_Rhode_Island "Wakefield-Peacedale, Rhode Island"), where it turns north and follows [Narragansett Bay](https://en.wikipedia.org/wiki/Narragansett_Bay "Narragansett Bay"). Most of this part is a four-lane [limited-access highway](https://en.wikipedia.org/wiki/Limited-access_highway "Limited-access highway"), providing access to [Route 138](https://en.wikipedia.org/wiki/Rhode_Island_Route_138 "Rhode Island Route 138") toward [Newport](https://en.wikipedia.org/wiki/Newport,_Rhode_Island "Newport, Rhode Island"). After [Route 4](https://en.wikipedia.org/wiki/Rhode_Island_Route_4 "Rhode Island Route 4") splits as a mostly-[freeway](https://en.wikipedia.org/wiki/Freeway "Freeway") connection to I-95, US 1 becomes a lower-speed surface road, passing through [Warwick](https://en.wikipedia.org/wiki/Warwick,_Rhode_Island "Warwick, Rhode Island"), Providence, and [Pawtucket](https://en.wikipedia.org/wiki/Pawtucket,_Rhode_Island "Pawtucket, Rhode Island"). The route parallels I-95 again through Providence and Pawtucket and into [Massachusetts](https://en.wikipedia.org/wiki/Massachusetts "Massachusetts"), traveling toward [Boston](https://en.wikipedia.org/wiki/Boston "Boston") as a four-lane road. When it reaches [Dedham](https://en.wikipedia.org/wiki/Dedham,_Massachusetts "Dedham, Massachusetts"), US 1 turns east and becomes a freeway through metropolitan Boston, [concurrent](https://en.wikipedia.org/wiki/Concurrency_\(road\) "Concurrency (road)") with I-95 and [I-93](https://en.wikipedia.org/wiki/Interstate_93 "Interstate 93") east to [Braintree](https://en.wikipedia.org/wiki/Braintree,_Massachusetts "Braintree, Massachusetts") and north through [Downtown Boston](https://en.wikipedia.org/wiki/Downtown_Boston "Downtown Boston"). The [Tobin Bridge](https://en.wikipedia.org/wiki/Tobin_Bridge "Tobin Bridge") and [Northeast Expressway](https://en.wikipedia.org/wiki/Northeast_Expressway_\(Boston\) "Northeast Expressway (Boston)") take US 1 out of Boston, after which it again parallels I-95 as a high-speed surface road through [Newburyport](https://en.wikipedia.org/wiki/Newburyport,_Massachusetts "Newburyport, Massachusetts") to the New Hampshire state line.[\[6\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-maps-6)
The short portion of US 1 in [New Hampshire](https://en.wikipedia.org/wiki/New_Hampshire "New Hampshire") follows the historic Lafayette Road, staying close to I-95, passing through [Portsmouth](https://en.wikipedia.org/wiki/Portsmouth,_New_Hampshire "Portsmouth, New Hampshire") before crossing the [Piscataqua River](https://en.wikipedia.org/wiki/Piscataqua_River "Piscataqua River") on [Memorial Bridge](https://en.wikipedia.org/wiki/Memorial_Bridge_\(Portsmouth,_New_Hampshire\) "Memorial Bridge (Portsmouth, New Hampshire)"), which was demolished and replaced during 2012ā2013, leaving a temporary gap in US 1. During construction, drivers had to detour to one of two other nearby bridges carrying [US 1 Bypass](https://en.wikipedia.org/wiki/U.S._Route_1_Bypass_\(Portsmouth,_New_Hampshire%E2%80%93Kittery,_Maine\) "U.S. Route 1 Bypass (Portsmouth, New HampshireāKittery, Maine)") or I-95. Within [Maine](https://en.wikipedia.org/wiki/Maine "Maine"), US 1 begins as a parallel route to I-95 near the [Atlantic Ocean](https://en.wikipedia.org/wiki/Atlantic_Ocean "Atlantic Ocean"). At [Portland](https://en.wikipedia.org/wiki/Portland,_Maine "Portland, Maine"), I-95 splits off to the north, and [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Maine\) "Interstate 295 (Maine)") heads northeast paralleling US 1 to [Brunswick](https://en.wikipedia.org/wiki/Brunswick,_Maine "Brunswick, Maine"). There US 1 turns east as a mostly two-lane road along the coast to [Calais](https://en.wikipedia.org/wiki/Calais,_Maine "Calais, Maine"); much of this portion is advertised as the "Coastal Route" on signs. North from Calais, US 1 follows the [Canadian border](https://en.wikipedia.org/wiki/Canada%E2%80%93United_States_border "CanadaāUnited States border"), crossing I-95 in Houlton and eventually turning west and southwest to its "north" end at the [ClairāFort Kent Bridge](https://en.wikipedia.org/wiki/Clair%E2%80%93Fort_Kent_Bridge "ClairāFort Kent Bridge") in [Fort Kent](https://en.wikipedia.org/wiki/Fort_Kent,_Maine "Fort Kent, Maine"). On the [New Brunswick](https://en.wikipedia.org/wiki/New_Brunswick "New Brunswick") (Canada) side of the bridge, [Route 205](https://en.wikipedia.org/wiki/New_Brunswick_Route_205 "New Brunswick Route 205") extends south and west to [Saint-FranƧois-de-Madawaska](https://en.wikipedia.org/wiki/Saint-Fran%C3%A7ois-de-Madawaska "Saint-FranƧois-de-Madawaska"), while the short [Route 161](https://en.wikipedia.org/wiki/New_Brunswick_Route_161 "New Brunswick Route 161") extends north to [Route 120](https://en.wikipedia.org/wiki/New_Brunswick_Route_120 "New Brunswick Route 120"), a secondary eastāwest route from [Edmundston](https://en.wikipedia.org/wiki/Edmundston "Edmundston"), [New Brunswick](https://en.wikipedia.org/wiki/New_Brunswick "New Brunswick"), west to [Quebec Route 289](https://en.wikipedia.org/wiki/Quebec_Route_289 "Quebec Route 289") toward [Saint-Alexandre-de-Kamouraska](https://en.wikipedia.org/wiki/Saint-Alexandre-de-Kamouraska "Saint-Alexandre-de-Kamouraska"), [Quebec](https://en.wikipedia.org/wiki/Quebec "Quebec").[\[6\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-maps-6)
## History
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=7 "Edit section: History")\]
[](https://en.wikipedia.org/wiki/File:Photograph_of_a_road_sign_along_the_highway_in_Key_West,_Florida,_announcing_the_beginning_of_U.S._Route_1_to_Fort..._-_NARA_-_200542.jpg)
The beginning of US 1 as of March 1951
The direct predecessor to US 1 was the **Atlantic Highway**, an [auto trail](https://en.wikipedia.org/wiki/Auto_trail "Auto trail") established in 1911 as the QuebecāMiami International Highway. In 1915, it was renamed the Atlantic Highway,[\[15\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-15) and the northern terminus was changed to [Calais, Maine](https://en.wikipedia.org/wiki/Calais,_Maine "Calais, Maine").[\[16\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-16) Due to the overlapping of auto trail designations, portions of the route had other names that remain in common use, such as the [Boston Post Road](https://en.wikipedia.org/wiki/Boston_Post_Road "Boston Post Road") between [Boston](https://en.wikipedia.org/wiki/Boston "Boston") and [New York City](https://en.wikipedia.org/wiki/New_York_City "New York City"), the [Lincoln Highway](https://en.wikipedia.org/wiki/Lincoln_Highway "Lincoln Highway") between New York and [Philadelphia](https://en.wikipedia.org/wiki/Philadelphia "Philadelphia"), the Baltimore Pike between Philadelphia and [Baltimore](https://en.wikipedia.org/wiki/Baltimore "Baltimore"), and the [Dixie Highway](https://en.wikipedia.org/wiki/Dixie_Highway "Dixie Highway") in and south of eastern [Georgia](https://en.wikipedia.org/wiki/Georgia_\(U.S._state\) "Georgia (U.S. state)"). North of [Augusta, Georgia](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia"), the highway generally followed the [Atlantic Seaboard Fall Line](https://en.wikipedia.org/wiki/Atlantic_Seaboard_Fall_Line "Atlantic Seaboard Fall Line"), rather than a more easterly route through the [swamps](https://en.wikipedia.org/wiki/Swamp "Swamp") of the [Atlantic Plain](https://en.wikipedia.org/wiki/Atlantic_Plain "Atlantic Plain").[\[17\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-17) [Brickell Avenue](https://en.wikipedia.org/wiki/Brickell_Avenue "Brickell Avenue") is the name given to the two-mile (3.2 km) stretch of US 1 in [Miami, Florida](https://en.wikipedia.org/wiki/Miami,_Florida "Miami, Florida"), just south of the [Miami River](https://en.wikipedia.org/wiki/Miami_River_\(Florida\) "Miami River (Florida)") until the [Rickenbacker Causeway](https://en.wikipedia.org/wiki/Rickenbacker_Causeway "Rickenbacker Causeway").
When the [New England road marking system](https://en.wikipedia.org/wiki/New_England_road_marking_system "New England road marking system") was established in 1922, the Atlantic Highway within [New England](https://en.wikipedia.org/wiki/New_England "New England") was signed as [Route 1](https://en.wikipedia.org/wiki/New_England_road_marking_system#Route_1 "New England road marking system"), with a [Route 24](https://en.wikipedia.org/wiki/New_England_road_marking_system#Route_24 "New England road marking system") continuing north to [Madawaska](https://en.wikipedia.org/wiki/Madawaska,_Maine "Madawaska, Maine");[\[18\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-18) [New York](https://en.wikipedia.org/wiki/New_York_\(state\) "New York (state)") extended the number to [New York City](https://en.wikipedia.org/wiki/New_York_City "New York City") in 1924 with its own [Route 1](https://en.wikipedia.org/wiki/New_York_State_Route_1 "New York State Route 1").[\[19\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-19) Other states adopted their own systems of numbering; by 1926 all states but [Maryland](https://en.wikipedia.org/wiki/Maryland "Maryland") had signed the Atlantic Highway as various routes, usually changing numbers at the state line. In 1925, the [Joint Board on Interstate Highways](https://en.wikipedia.org/wiki/Joint_Board_on_Interstate_Highways "Joint Board on Interstate Highways") created a preliminary list of interstate routes to be marked by the states,[\[20\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-FHWA_planning-20) including US 1 along the Atlantic. This highway began at [Fort Kent, Maine](https://en.wikipedia.org/wiki/Fort_Kent,_Maine "Fort Kent, Maine"), and followed the existing Route 24 to [Houlton](https://en.wikipedia.org/wiki/Houlton,_Maine "Houlton, Maine"), as well as [Route 15](https://en.wikipedia.org/wiki/New_England_road_marking_system#Route_15 "New England road marking system") to [Bangor](https://en.wikipedia.org/wiki/Bangor,_Maine "Bangor, Maine"), beyond which it generally followed the Atlantic Highway to Miami.[\[21\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-1925_list-21) In all states but [Georgia](https://en.wikipedia.org/wiki/Georgia_\(U.S._state\) "Georgia (U.S. state)") that had numbered their [state highways](https://en.wikipedia.org/wiki/State_highway "State highway"), Route 1 followed only one or two numbers across the state.[\[22\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-1926routes-22) The only significant deviation from the Atlantic Highway was between [Augusta, Georgia](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia"), and [Jacksonville, Florida](https://en.wikipedia.org/wiki/Jacksonville,_Florida "Jacksonville, Florida"), where Route 1 was assigned to a more inland route, rather than following the Atlantic Highway via [Savannah](https://en.wikipedia.org/wiki/Savannah,_Georgia "Savannah, Georgia").[\[4\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-1926_Rand_McNally-4)
One of the many changes made to the system before the final numbering was adopted in 1926 involved US 1 in Maine. The 1925 plan had assigned US 1 to the shorter inland route (Route 15) between Houlton and Bangor, while [US 2](https://en.wikipedia.org/wiki/U.S._Route_2 "U.S. Route 2") followed the longer coastal route via Calais. In the system as adopted in 1926, US 2 instead took the inland route, while US 1 followed the coast, absorbing all of the former Route 24 and Route 1 in New England.[\[23\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-1926_map-23)[\[24\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-1927_log-24) Many local and regional relocations, often onto parallel [superhighways](https://en.wikipedia.org/wiki/Highway "Highway"), were made in the early days of US 1; this included the four-lane divided [Route 25](https://en.wikipedia.org/wiki/New_Jersey_Route_25 "New Jersey Route 25") in [New Jersey](https://en.wikipedia.org/wiki/New_Jersey "New Jersey"), completed in 1932 with the opening of the [Pulaski Skyway](https://en.wikipedia.org/wiki/Pulaski_Skyway "Pulaski Skyway"),[\[25\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-25) and a bypass of Bangor involving the [WaldoāHancock Bridge](https://en.wikipedia.org/wiki/Waldo%E2%80%93Hancock_Bridge "WaldoāHancock Bridge"), opened in 1931.[\[26\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-26) The [Overseas Highway](https://en.wikipedia.org/wiki/Overseas_Highway "Overseas Highway") from Miami to [Key West](https://en.wikipedia.org/wiki/Key_West "Key West") was completed in 1938 and soon became a southern extension of US 1.[\[27\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-27)
With the construction of the [Interstate Highway System](https://en.wikipedia.org/wiki/Interstate_Highway_System "Interstate Highway System") in and after the 1950s, much of US 1 from Houlton to Miami was bypassed by [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95"). Between Houlton and [Brunswick, Maine](https://en.wikipedia.org/wiki/Brunswick,_Maine "Brunswick, Maine"), I-95 took a shorter inland route, much of it paralleling US 2 on the alignment proposed for US 1 in 1925. Between [Philadelphia](https://en.wikipedia.org/wiki/Philadelphia "Philadelphia") and [Baltimore](https://en.wikipedia.org/wiki/Baltimore "Baltimore"), I-95 leaves US 1 to pass through [Wilmington](https://en.wikipedia.org/wiki/Wilmington,_Delaware "Wilmington, Delaware"). Most notably, I-95 and US 1 follow different corridors between [Petersburg, Virginia](https://en.wikipedia.org/wiki/Petersburg,_Virginia "Petersburg, Virginia"), and [Jacksonville, Florida](https://en.wikipedia.org/wiki/Jacksonville,_Florida "Jacksonville, Florida"); while US 1 followed the Atlantic Seaboard Fall Line west of the coastal plain, I-95 takes a more direct route through the plain and its swamps. Although some of this part of US 1 was followed by other Interstatesā[I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") between Petersburg and [Henderson, North Carolina](https://en.wikipedia.org/wiki/Henderson,_North_Carolina "Henderson, North Carolina"), and [I-20](https://en.wikipedia.org/wiki/Interstate_20 "Interstate 20") between [Camden, South Carolina](https://en.wikipedia.org/wiki/Camden,_South_Carolina "Camden, South Carolina"), and [Augusta, Georgia](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia")āthe rest remains an independent route with four lanes in many places. By the late 1970s, most of I-95 had been completed, replacing US 1 as the main corridor of the east coast and relegating most of it to local road status.[\[28\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-28)
## Major intersections
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=8 "Edit section: Major intersections")\]
Florida
Whitehead Street and Fleming Street in [Key West](https://en.wikipedia.org/wiki/Key_West,_Florida "Key West, Florida")
 [Florida's Turnpike Extension](https://en.wikipedia.org/wiki/Homestead_Extension_of_Florida%27s_Turnpike "Homestead Extension of Florida's Turnpike") in [Florida City](https://en.wikipedia.org/wiki/Florida_City,_Florida "Florida City, Florida")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Miami](https://en.wikipedia.org/wiki/Miami "Miami")
 [US 41](https://en.wikipedia.org/wiki/U.S._Route_41 "U.S. Route 41") in Miami
 [I-395](https://en.wikipedia.org/wiki/Interstate_395_\(Florida\) "Interstate 395 (Florida)") in Miami
 [US 27](https://en.wikipedia.org/wiki/U.S._Route_27_\(Florida\) "U.S. Route 27 (Florida)") in Miami
 [I-195](https://en.wikipedia.org/wiki/Interstate_195_\(Florida\) "Interstate 195 (Florida)") in Miami
 [I-595](https://en.wikipedia.org/wiki/Interstate_595_\(Florida\) "Interstate 595 (Florida)") on the [Dania Beach](https://en.wikipedia.org/wiki/Dania_Beach,_Florida "Dania Beach, Florida")ā[Fort Lauderdale, Florida](https://en.wikipedia.org/wiki/Fort_Lauderdale,_Florida "Fort Lauderdale, Florida") city line
 [US 98](https://en.wikipedia.org/wiki/U.S._Route_98 "U.S. Route 98") in [West Palm Beach](https://en.wikipedia.org/wiki/West_Palm_Beach,_Florida "West Palm Beach, Florida")
 [US 192](https://en.wikipedia.org/wiki/U.S._Route_192 "U.S. Route 192") in [Melbourne](https://en.wikipedia.org/wiki/Melbourne,_Florida "Melbourne, Florida")
 [US 92](https://en.wikipedia.org/wiki/U.S._Route_92 "U.S. Route 92") in [Daytona Beach](https://en.wikipedia.org/wiki/Daytona_Beach,_Florida "Daytona Beach, Florida")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Ormond Beach](https://en.wikipedia.org/wiki/Ormond_Beach,_Florida "Ormond Beach, Florida")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") near [Palm Coast](https://en.wikipedia.org/wiki/Palm_Coast,_Florida "Palm Coast, Florida")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Florida\) "Interstate 295 (Florida)") in [Jacksonville](https://en.wikipedia.org/wiki/Jacksonville,_Florida "Jacksonville, Florida")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Jacksonville
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Jacksonville. The highways travel concurrently through the city.
 [US 90](https://en.wikipedia.org/wiki/U.S._Route_90 "U.S. Route 90") in Jacksonville. The highways travel concurrently through the city.
 [US 17](https://en.wikipedia.org/wiki/U.S._Route_17 "U.S. Route 17") in Jacksonville. The highways travel concurrently through the city.
 [US 23](https://en.wikipedia.org/wiki/U.S._Route_23 "U.S. Route 23") in Jacksonville
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Jacksonville
 [US 23](https://en.wikipedia.org/wiki/U.S._Route_23 "U.S. Route 23") in Jacksonville. The highways travel concurrently to north of [Alma, Georgia](https://en.wikipedia.org/wiki/Alma,_Georgia "Alma, Georgia").
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Florida\) "Interstate 295 (Florida)") in Jacksonville
 [US 301](https://en.wikipedia.org/wiki/U.S._Route_301 "U.S. Route 301") in [Callahan](https://en.wikipedia.org/wiki/Callahan,_Florida "Callahan, Florida"). The highways travel concurrently to [Homeland, Georgia](https://en.wikipedia.org/wiki/Homeland,_Georgia "Homeland, Georgia").
Georgia
 [US 82](https://en.wikipedia.org/wiki/U.S._Route_82 "U.S. Route 82") in [Waycross](https://en.wikipedia.org/wiki/Waycross,_Georgia "Waycross, Georgia"). US 1/US 82/SR 520 travels concurrently to west of [Deenwood](https://en.wikipedia.org/wiki/Deenwood,_Georgia "Deenwood, Georgia").
 [US 84](https://en.wikipedia.org/wiki/U.S._Route_84 "U.S. Route 84") in Waycross. The highways travel concurrently through the city.
 [US 341](https://en.wikipedia.org/wiki/U.S._Route_341 "U.S. Route 341") in [Baxley](https://en.wikipedia.org/wiki/Baxley,_Georgia "Baxley, Georgia")
 [US 280](https://en.wikipedia.org/wiki/U.S._Route_280 "U.S. Route 280") in [Lyons](https://en.wikipedia.org/wiki/Lyons,_Georgia "Lyons, Georgia")
 [I-16](https://en.wikipedia.org/wiki/Interstate_16 "Interstate 16") in [Oak Park](https://en.wikipedia.org/wiki/Oak_Park,_Georgia "Oak Park, Georgia")
 [US 80](https://en.wikipedia.org/wiki/U.S._Route_80 "U.S. Route 80") in [Swainsboro](https://en.wikipedia.org/wiki/Swainsboro,_Georgia "Swainsboro, Georgia")
 [US 319](https://en.wikipedia.org/wiki/U.S._Route_319 "U.S. Route 319") in [Wadley](https://en.wikipedia.org/wiki/Wadley,_Georgia "Wadley, Georgia")
 [US 221](https://en.wikipedia.org/wiki/U.S._Route_221 "U.S. Route 221") in [Louisville](https://en.wikipedia.org/wiki/Louisville,_Georgia "Louisville, Georgia"). US 1/US 221 travels concurrently to [Wrens](https://en.wikipedia.org/wiki/Wrens,_Georgia "Wrens, Georgia").
 [I-520](https://en.wikipedia.org/wiki/Interstate_520 "Interstate 520") in [Augusta](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia")
 [US 78](https://en.wikipedia.org/wiki/U.S._Route_78 "U.S. Route 78") / [US 278](https://en.wikipedia.org/wiki/U.S._Route_278 "U.S. Route 278") in Augusta. US 1/US 78 travels concurrently to [Aiken, South Carolina](https://en.wikipedia.org/wiki/Aiken,_South_Carolina "Aiken, South Carolina"). US 1/US 278 travels concurrently to [Clearwater, South Carolina](https://en.wikipedia.org/wiki/Clearwater,_South_Carolina "Clearwater, South Carolina"). US 1/SR 10 travels concurrently to the [South Carolina](https://en.wikipedia.org/wiki/South_Carolina "South Carolina") state line.
 [US 25](https://en.wikipedia.org/wiki/U.S._Route_25 "U.S. Route 25") in Augusta. US 1/US 25 travels concurrently to [North Augusta, South Carolina](https://en.wikipedia.org/wiki/North_Augusta,_South_Carolina "North Augusta, South Carolina"). US 1/SR 121 travels concurrently to the South Carolina state line.
South Carolina
 [I-520](https://en.wikipedia.org/wiki/Interstate_520 "Interstate 520") in [North Augusta](https://en.wikipedia.org/wiki/North_Augusta,_South_Carolina "North Augusta, South Carolina")
 [I-20](https://en.wikipedia.org/wiki/Interstate_20 "Interstate 20") north-northeast of Aiken
 [US 178](https://en.wikipedia.org/wiki/U.S._Route_178 "U.S. Route 178") in [Batesburg-Leesville](https://en.wikipedia.org/wiki/Batesburg-Leesville,_South_Carolina "Batesburg-Leesville, South Carolina")
 [US 378](https://en.wikipedia.org/wiki/U.S._Route_378 "U.S. Route 378") in [Lexington](https://en.wikipedia.org/wiki/Lexington,_South_Carolina "Lexington, South Carolina"). The highways travel concurrently through the city.
 [I-20](https://en.wikipedia.org/wiki/Interstate_20 "Interstate 20") east of Lexington
 [I-26](https://en.wikipedia.org/wiki/Interstate_26 "Interstate 26") in [Oak Grove](https://en.wikipedia.org/wiki/Oak_Grove,_South_Carolina "Oak Grove, South Carolina")
 [US 378](https://en.wikipedia.org/wiki/U.S._Route_378 "U.S. Route 378") in [West Columbia](https://en.wikipedia.org/wiki/West_Columbia,_South_Carolina "West Columbia, South Carolina"). The highways travel concurrently to [Columbia](https://en.wikipedia.org/wiki/Columbia,_South_Carolina "Columbia, South Carolina").
 [US 21](https://en.wikipedia.org/wiki/U.S._Route_21 "U.S. Route 21") / [US 176](https://en.wikipedia.org/wiki/U.S._Route_176 "U.S. Route 176") / [US 321](https://en.wikipedia.org/wiki/U.S._Route_321 "U.S. Route 321") in [Columbia](https://en.wikipedia.org/wiki/Columbia,_South_Carolina "Columbia, South Carolina")
 [US 76](https://en.wikipedia.org/wiki/U.S._Route_76 "U.S. Route 76") in Columbia. The highways travel concurrently through the city.
 [I-20](https://en.wikipedia.org/wiki/Interstate_20 "Interstate 20") in [Dentsville](https://en.wikipedia.org/wiki/Dentsville,_South_Carolina "Dentsville, South Carolina")
 [I-77](https://en.wikipedia.org/wiki/Interstate_77 "Interstate 77") in Dentsville
 [US 601](https://en.wikipedia.org/wiki/U.S._Route_601 "U.S. Route 601") in [Lugoff](https://en.wikipedia.org/wiki/Lugoff,_South_Carolina "Lugoff, South Carolina"). The highways travel concurrently to [Camden](https://en.wikipedia.org/wiki/Camden,_South_Carolina "Camden, South Carolina").
 [US 521](https://en.wikipedia.org/wiki/U.S._Route_521 "U.S. Route 521") / [US 601](https://en.wikipedia.org/wiki/U.S._Route_601 "U.S. Route 601") in [Camden](https://en.wikipedia.org/wiki/Camden,_South_Carolina "Camden, South Carolina")
 [US 52](https://en.wikipedia.org/wiki/U.S._Route_52 "U.S. Route 52") south-southwest of [Cheraw](https://en.wikipedia.org/wiki/Cheraw,_South_Carolina "Cheraw, South Carolina"). The highways travel concurrently to Cheraw.
North Carolina
 [Future I-74](https://en.wikipedia.org/wiki/Interstate_74_Future "Interstate 74 Future") / [US 74](https://en.wikipedia.org/wiki/U.S._Route_74 "U.S. Route 74") west-southwest of [East Rockingham](https://en.wikipedia.org/wiki/East_Rockingham,_North_Carolina "East Rockingham, North Carolina")
 [US 220](https://en.wikipedia.org/wiki/U.S._Route_220 "U.S. Route 220") in [Rockingham](https://en.wikipedia.org/wiki/Rockingham,_North_Carolina "Rockingham, North Carolina")
 [US 15](https://en.wikipedia.org/wiki/U.S._Route_15 "U.S. Route 15") / [US 501](https://en.wikipedia.org/wiki/U.S._Route_501 "U.S. Route 501") in [Aberdeen](https://en.wikipedia.org/wiki/Aberdeen,_North_Carolina "Aberdeen, North Carolina"). The highways travel concurrently through the city.
 [US 15](https://en.wikipedia.org/wiki/U.S._Route_15 "U.S. Route 15") / [US 501](https://en.wikipedia.org/wiki/U.S._Route_501 "U.S. Route 501") north-northeast of [Cameron](https://en.wikipedia.org/wiki/Cameron,_North_Carolina "Cameron, North Carolina"). The highways travel concurrently to [Sanford](https://en.wikipedia.org/wiki/Sanford,_North_Carolina "Sanford, North Carolina").
 [US 421](https://en.wikipedia.org/wiki/U.S._Route_421 "U.S. Route 421") in [Sanford](https://en.wikipedia.org/wiki/Sanford,_North_Carolina "Sanford, North Carolina")
 [US 64](https://en.wikipedia.org/wiki/U.S._Route_64 "U.S. Route 64") in [Cary](https://en.wikipedia.org/wiki/Cary,_North_Carolina "Cary, North Carolina"). The highways travel concurrently to [Raleigh](https://en.wikipedia.org/wiki/Raleigh,_North_Carolina "Raleigh, North Carolina").
 [I-40](https://en.wikipedia.org/wiki/Interstate_40 "Interstate 40") / [I-440](https://en.wikipedia.org/wiki/Interstate_440_\(North_Carolina\) "Interstate 440 (North Carolina)") / [US 64](https://en.wikipedia.org/wiki/U.S._Route_64 "U.S. Route 64") in [Raleigh](https://en.wikipedia.org/wiki/Raleigh,_North_Carolina "Raleigh, North Carolina"). I-440/US 1 travels concurrently through the city.
 [US 70](https://en.wikipedia.org/wiki/U.S._Route_70 "U.S. Route 70") in Raleigh
 [I-440](https://en.wikipedia.org/wiki/Interstate_440_\(North_Carolina\) "Interstate 440 (North Carolina)") / [US 401](https://en.wikipedia.org/wiki/U.S._Route_401 "U.S. Route 401") in Raleigh. US 1/US 401 travels concurrently through the city.
 [I-540](https://en.wikipedia.org/wiki/Interstate_540_\(North_Carolina\) "Interstate 540 (North Carolina)") near Raleigh
 [US 158](https://en.wikipedia.org/wiki/U.S._Route_158 "U.S. Route 158") northeast of [Henderson](https://en.wikipedia.org/wiki/Henderson,_North_Carolina "Henderson, North Carolina"). The highways travel concurrently to [Norlina](https://en.wikipedia.org/wiki/Norlina,_North_Carolina "Norlina, North Carolina").
 [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") southwest of [Middleburg](https://en.wikipedia.org/wiki/Middleburg,_North_Carolina "Middleburg, North Carolina")
 [US 158](https://en.wikipedia.org/wiki/U.S._Route_158 "U.S. Route 158") / [US 401](https://en.wikipedia.org/wiki/U.S._Route_401 "U.S. Route 401") in Middleburg. US 1/US 401 travels concurrently to north-northwest of [Wise](https://en.wikipedia.org/wiki/Wise,_North_Carolina "Wise, North Carolina").
 [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") / [US 401](https://en.wikipedia.org/wiki/U.S._Route_401 "U.S. Route 401") north-northwest of [Wise](https://en.wikipedia.org/wiki/Wise,_North_Carolina "Wise, North Carolina")
Virginia
 [US 58](https://en.wikipedia.org/wiki/U.S._Route_58 "U.S. Route 58") southwest of [South Hill](https://en.wikipedia.org/wiki/South_Hill,_Virginia "South Hill, Virginia"). The highways travel concurrently to just southwest of the city.
 [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") in South Hill
 [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") south of [Alberta](https://en.wikipedia.org/wiki/Alberta,_Virginia "Alberta, Virginia")
 [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") / [US 460](https://en.wikipedia.org/wiki/U.S._Route_460 "U.S. Route 460") southwest of [Petersburg](https://en.wikipedia.org/wiki/Petersburg,_Virginia "Petersburg, Virginia"). US 1/US 460 Bus. travels concurrently to Petersburg.
 [US 301](https://en.wikipedia.org/wiki/U.S._Route_301 "U.S. Route 301") in Petersburg. The highways travel concurrently to [Richmond](https://en.wikipedia.org/wiki/Richmond,_Virginia "Richmond, Virginia").
 [US 360](https://en.wikipedia.org/wiki/U.S._Route_360 "U.S. Route 360") in [Richmond](https://en.wikipedia.org/wiki/Richmond,_Virginia "Richmond, Virginia")
 [US 60](https://en.wikipedia.org/wiki/U.S._Route_60 "U.S. Route 60") in Richmond
 [US 33](https://en.wikipedia.org/wiki/U.S._Route_33 "U.S. Route 33") / [US 250](https://en.wikipedia.org/wiki/U.S._Route_250 "U.S. Route 250") in Richmond
 [I-64](https://en.wikipedia.org/wiki/Interstate_64 "Interstate 64") / [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Richmond
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Lakeside](https://en.wikipedia.org/wiki/Lakeside,_Virginia "Lakeside, Virginia")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Virginia\) "Interstate 295 (Virginia)") in [Glen Allen](https://en.wikipedia.org/wiki/Glen_Allen,_Virginia "Glen Allen, Virginia")
 [US 17](https://en.wikipedia.org/wiki/U.S._Route_17 "U.S. Route 17") east-northeast of [Spotsylvania](https://en.wikipedia.org/wiki/Spotsylvania,_Virginia "Spotsylvania, Virginia"). The highways travel concurrently to south of [Fredericksburg](https://en.wikipedia.org/wiki/Fredericksburg,_Virginia "Fredericksburg, Virginia").
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") / [US 17](https://en.wikipedia.org/wiki/U.S._Route_17 "U.S. Route 17") south of [Fredericksburg](https://en.wikipedia.org/wiki/Fredericksburg,_Virginia "Fredericksburg, Virginia")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Lorton](https://en.wikipedia.org/wiki/Lorton,_Virginia "Lorton, Virginia")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") / [I-495](https://en.wikipedia.org/wiki/Interstate_495_\(Capital_Beltway\) "Interstate 495 (Capital Beltway)") in [Alexandria](https://en.wikipedia.org/wiki/Alexandria,_Virginia "Alexandria, Virginia")
 [I-395](https://en.wikipedia.org/wiki/Interstate_395_\(District_of_Columbia%E2%80%93Virginia\) "Interstate 395 (District of ColumbiaāVirginia)") in [Arlington](https://en.wikipedia.org/wiki/Arlington_County,_Virginia "Arlington County, Virginia"). The highways travel concurrently to [Washington, D.C.](https://en.wikipedia.org/wiki/Washington,_D.C. "Washington, D.C.")
District of Columbia
 [US 50](https://en.wikipedia.org/wiki/U.S._Route_50 "U.S. Route 50") in [Washington](https://en.wikipedia.org/wiki/Washington,_D.C. "Washington, D.C."). The highways travel concurrently through part of the city.
 [US 29](https://en.wikipedia.org/wiki/U.S._Route_29 "U.S. Route 29") in [Washington](https://en.wikipedia.org/wiki/Washington,_D.C. "Washington, D.C."). The two highways bump into each other at the intersection of 6th Street NW and [Rhode Island Avenue NW](https://en.wikipedia.org/wiki/Rhode_Island_Avenue_NW "Rhode Island Avenue NW").
Maryland
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") / [I-495](https://en.wikipedia.org/wiki/Interstate_495_\(Capital_Beltway\) "Interstate 495 (Capital Beltway)") in [College Park](https://en.wikipedia.org/wiki/College_Park,_Maryland "College Park, Maryland")
 [I-895](https://en.wikipedia.org/wiki/Interstate_895_\(Maryland\) "Interstate 895 (Maryland)") in [Elkridge](https://en.wikipedia.org/wiki/Elkridge,_Maryland "Elkridge, Maryland")
 [I-195](https://en.wikipedia.org/wiki/Interstate_195_\(Maryland\) "Interstate 195 (Maryland)") in [Arbutus](https://en.wikipedia.org/wiki/Arbutus,_Maryland "Arbutus, Maryland")
 [US 40](https://en.wikipedia.org/wiki/U.S._Route_40 "U.S. Route 40") in [Baltimore](https://en.wikipedia.org/wiki/Baltimore "Baltimore")
 [I-83](https://en.wikipedia.org/wiki/Interstate_83 "Interstate 83") in Baltimore
 [I-695](https://en.wikipedia.org/wiki/Interstate_695_\(Maryland\) "Interstate 695 (Maryland)") in [Overlea](https://en.wikipedia.org/wiki/Overlea,_Maryland "Overlea, Maryland")
 [US 222](https://en.wikipedia.org/wiki/U.S._Route_222 "U.S. Route 222") in [Conowingo](https://en.wikipedia.org/wiki/Conowingo,_Maryland "Conowingo, Maryland")
Pennsylvania
 [US 202](https://en.wikipedia.org/wiki/U.S._Route_202 "U.S. Route 202") / [US 322](https://en.wikipedia.org/wiki/U.S._Route_322 "U.S. Route 322") in [Concordville](https://en.wikipedia.org/wiki/Concordville,_Pennsylvania "Concordville, Pennsylvania"). US 1/US 322 travels concurrently through the community.
 [I-476](https://en.wikipedia.org/wiki/Interstate_476 "Interstate 476") in [Marple Township](https://en.wikipedia.org/wiki/Marple_Township,_Pennsylvania "Marple Township, Pennsylvania")
 [US 30](https://en.wikipedia.org/wiki/U.S._Route_30 "U.S. Route 30") on the [Wynnewood](https://en.wikipedia.org/wiki/Wynnewood,_Pennsylvania "Wynnewood, Pennsylvania")ā[Philadelphia](https://en.wikipedia.org/wiki/Philadelphia "Philadelphia") city line
 [I-76](https://en.wikipedia.org/wiki/Interstate_76_\(Ohio%E2%80%93New_Jersey\) "Interstate 76 (OhioāNew Jersey)") on the [Bala Cynwyd](https://en.wikipedia.org/wiki/Bala_Cynwyd,_Pennsylvania "Bala Cynwyd, Pennsylvania")āPhiladelphia city line. The highways travel concurrently into Philadelphia proper.
 [US 13](https://en.wikipedia.org/wiki/U.S._Route_13 "U.S. Route 13") in Philadelphia. The highways travel concurrently through part of the city.
 [I-276](https://en.wikipedia.org/wiki/Interstate_276 "Interstate 276") in [Bensalem Township](https://en.wikipedia.org/wiki/Bensalem_Township,_Pennsylvania "Bensalem Township, Pennsylvania")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Delaware%E2%80%93Pennsylvania\) "Interstate 295 (DelawareāPennsylvania)") in [Woodbourne](https://en.wikipedia.org/wiki/Woodbourne,_Pennsylvania "Woodbourne, Pennsylvania")
 [US 13](https://en.wikipedia.org/wiki/U.S._Route_13 "U.S. Route 13") southwest of [Morrisville](https://en.wikipedia.org/wiki/Morrisville,_Bucks_County,_Pennsylvania "Morrisville, Bucks County, Pennsylvania")
New Jersey
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Delaware%E2%80%93Pennsylvania\) "Interstate 295 (DelawareāPennsylvania)") in [Lawrence Township](https://en.wikipedia.org/wiki/Lawrence_Township,_Mercer_County,_New_Jersey "Lawrence Township, Mercer County, New Jersey")
 [US 130](https://en.wikipedia.org/wiki/U.S._Route_130 "U.S. Route 130") in [North Brunswick](https://en.wikipedia.org/wiki/North_Brunswick,_New_Jersey "North Brunswick, New Jersey")
 [I-287](https://en.wikipedia.org/wiki/Interstate_287 "Interstate 287") on the [Edison](https://en.wikipedia.org/wiki/Edison,_New_Jersey "Edison, New Jersey")ā[Metuchen](https://en.wikipedia.org/wiki/Metuchen,_New_Jersey "Metuchen, New Jersey") city line
 [US 9](https://en.wikipedia.org/wiki/U.S._Route_9 "U.S. Route 9") in Woodbridge Township. The highways travel concurrently to [New York City](https://en.wikipedia.org/wiki/New_York_City "New York City").
 [I-278](https://en.wikipedia.org/wiki/Interstate_278 "Interstate 278") in [Linden](https://en.wikipedia.org/wiki/Linden,_New_Jersey "Linden, New Jersey")
 [I-78](https://en.wikipedia.org/wiki/Interstate_78 "Interstate 78") / [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Newark](https://en.wikipedia.org/wiki/Newark,_New_Jersey "Newark, New Jersey")
 [US 22](https://en.wikipedia.org/wiki/U.S._Route_22 "U.S. Route 22") in Newark
 [I-78](https://en.wikipedia.org/wiki/Interstate_78 "Interstate 78") / [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Newark
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Newark
 [US 46](https://en.wikipedia.org/wiki/U.S._Route_46 "U.S. Route 46") in [Palisades Park](https://en.wikipedia.org/wiki/Palisades_Park,_New_Jersey "Palisades Park, New Jersey"). The highways travel concurrently to the [New Jersey](https://en.wikipedia.org/wiki/New_Jersey "New Jersey")\-[New York](https://en.wikipedia.org/wiki/New_York_\(state\) "New York (state)") state line at the [George Washington Bridge](https://en.wikipedia.org/wiki/George_Washington_Bridge "George Washington Bridge").
 [US 9W](https://en.wikipedia.org/wiki/U.S._Route_9W "U.S. Route 9W") in [Fort Lee](https://en.wikipedia.org/wiki/Fort_Lee,_New_Jersey "Fort Lee, New Jersey")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Fort Lee. The highways travel concurrently to [The Bronx](https://en.wikipedia.org/wiki/The_Bronx "The Bronx"), [New York City](https://en.wikipedia.org/wiki/New_York_City "New York City").
 [US 46](https://en.wikipedia.org/wiki/U.S._Route_46 "U.S. Route 46") at the New JerseyāNew York state line
New York
 [US 9](https://en.wikipedia.org/wiki/U.S._Route_9 "U.S. Route 9") in [Manhattan](https://en.wikipedia.org/wiki/Manhattan "Manhattan"), [New York City](https://en.wikipedia.org/wiki/New_York_City "New York City")
 [I-87](https://en.wikipedia.org/wiki/Interstate_87_\(New_York\) "Interstate 87 (New York)") in [The Bronx](https://en.wikipedia.org/wiki/The_Bronx "The Bronx"), New York City
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in The Bronx, New York City
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [New Rochelle](https://en.wikipedia.org/wiki/New_Rochelle,_New_York "New Rochelle, New York")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Rye](https://en.wikipedia.org/wiki/Rye,_New_York "Rye, New York")
 [I-287](https://en.wikipedia.org/wiki/Interstate_287 "Interstate 287") on the Ryeā[Port Chester](https://en.wikipedia.org/wiki/Port_Chester,_New_York "Port Chester, New York") city line
Connecticut
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Stamford](https://en.wikipedia.org/wiki/Stamford,_Connecticut "Stamford, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Darien](https://en.wikipedia.org/wiki/Darien,_Connecticut "Darien, Connecticut")
 [US 7](https://en.wikipedia.org/wiki/U.S._Route_7 "U.S. Route 7") in [Norwalk](https://en.wikipedia.org/wiki/Norwalk,_Connecticut "Norwalk, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Fairfield](https://en.wikipedia.org/wiki/Fairfield,_Connecticut "Fairfield, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Stratford](https://en.wikipedia.org/wiki/Stratford,_Connecticut "Stratford, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Milford](https://en.wikipedia.org/wiki/Milford,_Connecticut "Milford, Connecticut")
 [I-91](https://en.wikipedia.org/wiki/Interstate_91 "Interstate 91") in [New Haven](https://en.wikipedia.org/wiki/New_Haven,_Connecticut "New Haven, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [East Haven](https://en.wikipedia.org/wiki/East_Haven,_Connecticut "East Haven, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Branford](https://en.wikipedia.org/wiki/Branford,_Connecticut "Branford, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Guilford](https://en.wikipedia.org/wiki/Guilford,_Connecticut "Guilford, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Old Saybrook](https://en.wikipedia.org/wiki/Old_Saybrook,_Connecticut "Old Saybrook, Connecticut"). The highways travel concurrently to [Old Lyme](https://en.wikipedia.org/wiki/Old_Lyme,_Connecticut "Old Lyme, Connecticut").
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [East Lyme](https://en.wikipedia.org/wiki/East_Lyme,_Connecticut "East Lyme, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [New London](https://en.wikipedia.org/wiki/New_London,_Connecticut "New London, Connecticut"). The highways travel concurrently to [Groton](https://en.wikipedia.org/wiki/Groton,_Connecticut "Groton, Connecticut").
Rhode Island
 [US 6](https://en.wikipedia.org/wiki/U.S._Route_6 "U.S. Route 6") in [Providence](https://en.wikipedia.org/wiki/Providence,_Rhode_Island "Providence, Rhode Island")
 [US 44](https://en.wikipedia.org/wiki/U.S._Route_44 "U.S. Route 44") in [Providence](https://en.wikipedia.org/wiki/Providence,_Rhode_Island "Providence, Rhode Island"). The highways travel concurrently for one block.
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Pawtucket](https://en.wikipedia.org/wiki/Pawtucket,_Rhode_Island "Pawtucket, Rhode Island"). The highways travel concurrently for less than 1 mile (1.6 km).
Massachusetts
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Attleboro](https://en.wikipedia.org/wiki/Attleboro,_Massachusetts "Attleboro, Massachusetts")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Rhode_Island%E2%80%93Massachusetts\) "Interstate 295 (Rhode IslandāMassachusetts)") in [North Attleborough](https://en.wikipedia.org/wiki/North_Attleborough,_Massachusetts "North Attleborough, Massachusetts")
 [I-495](https://en.wikipedia.org/wiki/Interstate_495_\(Massachusetts\) "Interstate 495 (Massachusetts)") in [Plainville](https://en.wikipedia.org/wiki/Plainville,_Massachusetts "Plainville, Massachusetts")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Sharon](https://en.wikipedia.org/wiki/Sharon,_Massachusetts "Sharon, Massachusetts")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") on the [Westwood](https://en.wikipedia.org/wiki/Westwood,_Massachusetts "Westwood, Massachusetts")ā[Dedham](https://en.wikipedia.org/wiki/Dedham,_Massachusetts "Dedham, Massachusetts") city line. The highways travel concurrently to [Canton](https://en.wikipedia.org/wiki/Canton,_Massachusetts "Canton, Massachusetts").
 [I-93](https://en.wikipedia.org/wiki/Interstate_93 "Interstate 93") / [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Canton](https://en.wikipedia.org/wiki/Canton,_Massachusetts "Canton, Massachusetts"). I-93/US 1 travel concurrently to [Boston](https://en.wikipedia.org/wiki/Boston "Boston").
 [US 3](https://en.wikipedia.org/wiki/U.S._Route_3 "U.S. Route 3") in Boston
 [I-90](https://en.wikipedia.org/wiki/Interstate_90 "Interstate 90") in Boston
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Peabody](https://en.wikipedia.org/wiki/Peabody,_Massachusetts "Peabody, Massachusetts")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Peabody
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Danvers](https://en.wikipedia.org/wiki/Danvers,_Massachusetts "Danvers, Massachusetts")
New Hampshire
 [US 4](https://en.wikipedia.org/wiki/U.S._Route_4 "U.S. Route 4") in [Portsmouth](https://en.wikipedia.org/wiki/Portsmouth,_New_Hampshire "Portsmouth, New Hampshire")
Maine
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Kittery](https://en.wikipedia.org/wiki/Kittery,_Maine "Kittery, Maine")
 [I-195](https://en.wikipedia.org/wiki/Interstate_195_\(Maine\) "Interstate 195 (Maine)") in [Saco](https://en.wikipedia.org/wiki/Saco,_Maine "Saco, Maine")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Maine\) "Interstate 295 (Maine)") in [South Portland](https://en.wikipedia.org/wiki/South_Portland,_Maine "South Portland, Maine"). The highways travel concurrently to [Portland](https://en.wikipedia.org/wiki/Portland,_Maine "Portland, Maine").
 [US 302](https://en.wikipedia.org/wiki/U.S._Route_302 "U.S. Route 302") in Portland
 [I-495](https://en.wikipedia.org/wiki/Interstate_495_\(Maine\) "Interstate 495 (Maine)") in [Falmouth](https://en.wikipedia.org/wiki/Falmouth,_Maine "Falmouth, Maine")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Maine\) "Interstate 295 (Maine)") in [Yarmouth](https://en.wikipedia.org/wiki/Yarmouth,_Maine "Yarmouth, Maine")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Maine\) "Interstate 295 (Maine)") in Yarmouth
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Maine\) "Interstate 295 (Maine)") in [Freeport](https://en.wikipedia.org/wiki/Freeport,_Maine "Freeport, Maine")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Maine\) "Interstate 295 (Maine)") in [Brunswick](https://en.wikipedia.org/wiki/Brunswick,_Maine "Brunswick, Maine")
 [US 201](https://en.wikipedia.org/wiki/U.S._Route_201 "U.S. Route 201") in Brunswick
 [US 2](https://en.wikipedia.org/wiki/U.S._Route_2 "U.S. Route 2") in [Houlton](https://en.wikipedia.org/wiki/Houlton,_Maine "Houlton, Maine"). The highways travel concurrently through the city.
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Houlton
 [Route 161](https://en.wikipedia.org/wiki/New_Brunswick_Route_161 "New Brunswick Route 161") / [Route 205](https://en.wikipedia.org/wiki/New_Brunswick_Route_205 "New Brunswick Route 205") at the [Fort KentāClair Border Crossing](https://en.wikipedia.org/wiki/Fort_Kent%E2%80%93Clair_Border_Crossing "Fort KentāClair Border Crossing") in [Fort Kent](https://en.wikipedia.org/wiki/Fort_Kent,_Maine "Fort Kent, Maine")
[\[29\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-randmcnally-29)
## Auxiliary routes
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=9 "Edit section: Auxiliary routes")\]
US 1 has six three-digit auxiliary routes. In numerical order, these are:
- [US 201](https://en.wikipedia.org/wiki/U.S._Route_201 "U.S. Route 201"), from [Brunswick, Maine](https://en.wikipedia.org/wiki/Brunswick,_Maine "Brunswick, Maine"), to the [ArmstrongāJackman Border Crossing](https://en.wikipedia.org/wiki/Armstrong%E2%80%93Jackman_Border_Crossing "ArmstrongāJackman Border Crossing") running south to north in east-central [Maine](https://en.wikipedia.org/wiki/Maine "Maine").
- [US 301](https://en.wikipedia.org/wiki/U.S._Route_301 "U.S. Route 301"), from [Sarasota, Florida](https://en.wikipedia.org/wiki/Sarasota,_Florida "Sarasota, Florida"), to [Biddles Corner, Delaware](https://en.wikipedia.org/wiki/Biddles_Corner,_Delaware "Biddles Corner, Delaware"), along the [East Coast](https://en.wikipedia.org/wiki/East_Coast_of_the_United_States "East Coast of the United States"). Most of the route closely parallels [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") and it has numerous intersections with its parent.
- [US 401](https://en.wikipedia.org/wiki/U.S._Route_401 "U.S. Route 401") from [Sumter, South Carolina](https://en.wikipedia.org/wiki/Sumter,_South_Carolina "Sumter, South Carolina"), to [Wise, North Carolina](https://en.wikipedia.org/wiki/Wise,_North_Carolina "Wise, North Carolina"), near the Virginia border. For most of the route, it parallels US 1 about 10 to 20 miles (16 to 32 km) to the east, though the two share pavement in [Raleigh, North Carolina](https://en.wikipedia.org/wiki/Raleigh,_North_Carolina "Raleigh, North Carolina").
- [US 501](https://en.wikipedia.org/wiki/U.S._Route_501 "U.S. Route 501") from [Myrtle Beach, South Carolina](https://en.wikipedia.org/wiki/Myrtle_Beach,_South_Carolina "Myrtle Beach, South Carolina"), to [Buena Vista, Virginia](https://en.wikipedia.org/wiki/Buena_Vista,_Virginia "Buena Vista, Virginia"). The highway runs southeastānorthwest, meeting its parent in [Aberdeen](https://en.wikipedia.org/wiki/Aberdeen,_North_Carolina "Aberdeen, North Carolina") and [Sanford](https://en.wikipedia.org/wiki/Sanford,_North_Carolina "Sanford, North Carolina").
- [US 601](https://en.wikipedia.org/wiki/U.S._Route_601 "U.S. Route 601") from [Tarboro, South Carolina](https://en.wikipedia.org/wiki/Tarboro,_South_Carolina "Tarboro, South Carolina"), to [Mount Airy, North Carolina](https://en.wikipedia.org/wiki/Mount_Airy,_North_Carolina "Mount Airy, North Carolina"). It runs mostly due southānorth to the west of US 501, meeting the parent route in [Camden, South Carolina](https://en.wikipedia.org/wiki/Camden,_South_Carolina "Camden, South Carolina").
- [US 701](https://en.wikipedia.org/wiki/U.S._Route_701 "U.S. Route 701") from [Georgetown, South Carolina](https://en.wikipedia.org/wiki/Georgetown,_South_Carolina "Georgetown, South Carolina"), to [Four Oaks, North Carolina](https://en.wikipedia.org/wiki/Four_Oaks,_North_Carolina "Four Oaks, North Carolina"). Furthest east of the US 1 auxiliary routes, it never meets its parent route, but does intersect US 501 in [Conway, South Carolina](https://en.wikipedia.org/wiki/Conway,_South_Carolina "Conway, South Carolina"), and terminates at US 301 at its northern end.
[US 101](https://en.wikipedia.org/wiki/U.S._Route_101 "U.S. Route 101"), despite its number, is not an auxiliary route, but rather considered a primary U.S. Route in its own right as major highway west of the former [US 99](https://en.wikipedia.org/wiki/U.S._Route_99 "U.S. Route 99") on the west coast of the U.S. (In the numbering scheme, its first "digit" is "10".)
## Related state highways
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=10 "Edit section: Related state highways")\]
- [Florida State Road A1A](https://en.wikipedia.org/wiki/Florida_State_Road_A1A "Florida State Road A1A")
- [Massachusetts Route 1A](https://en.wikipedia.org/wiki/Massachusetts_Route_1A "Massachusetts Route 1A")
- [New Hampshire Route 1A](https://en.wikipedia.org/wiki/New_Hampshire_Route_1A "New Hampshire Route 1A")
- [New York State Route 1A](https://en.wikipedia.org/wiki/New_York_State_Route_1A "New York State Route 1A")
- [Rhode Island Route 1A](https://en.wikipedia.org/wiki/Rhode_Island_Route_1A "Rhode Island Route 1A")
## In popular culture
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=11 "Edit section: In popular culture")\]
- The route in [Richard Bachman](https://en.wikipedia.org/wiki/Richard_Bachman "Richard Bachman")'s horror novel, *[The Long Walk](https://en.wikipedia.org/wiki/The_Long_Walk_\(novel\) "The Long Walk (novel)")* (1979), begins each year at the MaineāNew Brunswick border at 9:00 on the morning of May 1 and travels down the [East Coast of the United States](https://en.wikipedia.org/wiki/East_Coast_of_the_United_States "East Coast of the United States"), along US 1, until the winner is determined.
- The Atlantic Highway features prominently as both a location, and a character in [Seanan McGuire](https://en.wikipedia.org/wiki/Seanan_McGuire "Seanan McGuire")'s Ghost Roads series.
## See also
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=12 "Edit section: See also")\]
- [U.S. Route 1A](https://en.wikipedia.org/wiki/U.S._Route_1A "U.S. Route 1A")
- [Special routes of U.S. Route 1](https://en.wikipedia.org/wiki/Special_routes_of_U.S._Route_1 "Special routes of U.S. Route 1")
## References
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=13 "Edit section: References")\]
1. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-AASHTO_1-0)**
[American Association of State Highway and Transportation Officials](https://en.wikipedia.org/wiki/American_Association_of_State_Highway_and_Transportation_Officials "American Association of State Highway and Transportation Officials"). [*United States Numbered Highways*](https://web.archive.org/web/20070204074242/http://cms.transportation.org/?siteid=68&pageid=1760) (1989 ed.). Washington, DC: American Association of State Highway and Transportation Officials. Archived from [the original](http://cms.transportation.org/?siteid=68&pageid=1760) on February 4, 2007.
2. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-Magic_valley_lists_US_1_as_the_longest_US_Route_in_the_United_States_2-0)**
["America's longest north-south highways"](https://magicvalley.com/america-s-longest-north-south-highways/article_f42f6adc-2084-5036-a39d-7487c860b9e1.html). *Times-News*. December 14, 2010. [Archived](https://web.archive.org/web/20230429022902/https://magicvalley.com/america-s-longest-north-south-highways/article_f42f6adc-2084-5036-a39d-7487c860b9e1.html) from the original on April 29, 2023. Retrieved October 13, 2014.
3. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-3)**
["E. W. James on designating the Federal-aid system and developing the U.S. numbered highway plan"](https://www.fhwa.dot.gov/infrastructure/ewjames.cfm). [Federal Highway Administration](https://en.wikipedia.org/wiki/Federal_Highway_Administration "Federal Highway Administration"). [Archived](https://web.archive.org/web/20080924120943/http://www.fhwa.dot.gov/infrastructure/ewjames.htm) from the original on September 24, 2008. Retrieved August 9, 2012.
4. ^ [***a***](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-1926_Rand_McNally_4-0) [***b***](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-1926_Rand_McNally_4-1)
[Rand McNally](https://en.wikipedia.org/wiki/Rand_McNally "Rand McNally") (1926). [*Auto Road Atlas*](http://www.broermapsonline.org/members/) (Map). Rand McNally ā via Broer Map Library.
5. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-5)**
["490 Whitehead St, Key West, FL 33040"](https://maps.google.com/maps?f=q&hl=en&geocode=&q=490+Whitehead+St,+Key+West,+FL+33040&sll=24.564454,-81.803019&sspn=0.009114,0.013819&layer=c&ie=UTF8&ll=24.559927,-81.803319&spn=0.009114,0.013819&z=16&cbll=24.555358,-81.804056&panoid=FI83lxPQwLIYR-9LZ7Y8rQ&cbp=1,20.256207176035787,,0,5) (Map). *[Google Maps](https://en.wikipedia.org/wiki/Google_Maps "Google Maps")*. Retrieved August 9, 2012.
6. ^ [***a***](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-maps_6-0) [***b***](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-maps_6-1) [***c***](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-maps_6-2) [***d***](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-maps_6-3) [***e***](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-maps_6-4) [Google Maps](https://en.wikipedia.org/wiki/Google_Maps "Google Maps") street maps and [USGS](https://en.wikipedia.org/wiki/USGS "USGS") [topographic maps](https://en.wikipedia.org/wiki/Topographic_map "Topographic map"), accessed via [ACME Mapper](http://mapper.acme.com/) [Archived](https://web.archive.org/web/20221119110322/http://mapper.acme.com/) November 19, 2022, at the [Wayback Machine](https://en.wikipedia.org/wiki/Wayback_Machine "Wayback Machine")\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
7. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-7)**
Gordon, John. "US Highway 17 to Florida: Scenic, Historic and Very Slow, December 29, 1993". *[The Virginian-Pilot](https://en.wikipedia.org/wiki/The_Virginian-Pilot "The Virginian-Pilot")*. "Drivers know they're in Florida when they notice the U.S. Highway signs are color-coded for easy recognition. The US 17 signs, for example, are yellow, while those of US 1 are red, US 90 blue. and US 27 green"
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
8. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-8)**
["US 1/64 Widening"](https://web.archive.org/web/20120314183019/http://www.townofcary.org/Departments/Engineering/Engineering_Projects/US_1_64_Widening.htm). Town of Cary, North Carolina. Archived from [the original](http://www.townofcary.org/Departments/Engineering/Engineering_Projects/US_1_64_Widening.htm) on March 14, 2012.
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
9. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-9)**
["US 1 Corridor Study"](https://web.archive.org/web/20120324052923/http://www.ncdot.org/projects/US1corridor/). North Carolina Department of Transportation. Archived from [the original](http://www.ncdot.org/projects/US1corridor/) on March 24, 2012. Retrieved August 9, 2012.
10. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-10)**
["Toll debate at center of Capital Boulevard expansion project after dueling votes"](https://abc11.com/post/toll-debate-center-capital-boulevard-expansion-project-dueling-votes/16500230/). *ABC11 Raleigh-Durham*. May 22, 2025. Retrieved May 24, 2025.
11. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-11)**
Nirappil, Fenit; Hernandez, Arelis R. (December 31, 2018). ["A plastic straw ban and a Confederate name change: New laws in the D.C. region in 2019"](https://www.washingtonpost.com/local/dc-politics/a-plastic-straw-ban-and-a-confederate-name-change-new-laws-in-the-dc-region-in-2019/2018/12/31/60e4d954-0d1c-11e9-831f-3aa2c2be4cbd_story.html). *Washington Post*. [Archived](https://web.archive.org/web/20190103054831/https://www.washingtonpost.com/local/dc-politics/a-plastic-straw-ban-and-a-confederate-name-change-new-laws-in-the-dc-region-in-2019/2018/12/31/60e4d954-0d1c-11e9-831f-3aa2c2be4cbd_story.html) from the original on January 3, 2019. Retrieved January 3, 2019.
12. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-:0_12-0)**
["LIS \> Bill Tracking \> HB2075 \> 2021 session"](https://lis.virginia.gov/cgi-bin/legp604.exe?211+sum+HB2075). *lis.virginia.gov*. [Archived](https://web.archive.org/web/20210210043922/https://lis.virginia.gov/cgi-bin/legp604.exe?211+sum+HB2075) from the original on February 10, 2021. Retrieved February 26, 2021.
13. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-:2_13-0)**
Thomas, Pat (March 31, 2021). ["Governor signs remaining bills from 2021 Special Session"](https://www.whsv.com/2021/04/01/governor-signs-remaining-bills-from-2021-special-session/). Harrisonburg, Virginia: [WHSV-TV](https://en.wikipedia.org/wiki/WHSV-TV "WHSV-TV"). [Archived](https://web.archive.org/web/20210401163057/https://www.whsv.com/2021/04/01/governor-signs-remaining-bills-from-2021-special-session/) from the original on April 1, 2021. Retrieved April 3, 2021.
14. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-14)**
Rosenthal, Harold (1983). ["Water tower in South Brunswick Township"](https://rucore.libraries.rutgers.edu/rutgers-lib/43303/). *Rutgers University Community Repository*. [doi](https://en.wikipedia.org/wiki/Doi_\(identifier\) "Doi (identifier)"):[10\.7282/T3N58JK0](https://doi.org/10.7282%2FT3N58JK0). [Archived](https://web.archive.org/web/20170830004531/https://rucore.libraries.rutgers.edu/rutgers-lib/43303/) from the original on August 30, 2017. Retrieved August 29, 2017.
15. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-15)**
Kaczynski, William (2000). *The American Highway: The History and Culture of Roads in the United States*. p. 38.
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
16. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-16)**
"Many Auto Highways Gridiron the Nation". *[Decatur Daily Review](https://en.wikipedia.org/wiki/Decatur_Daily_Review "Decatur Daily Review")*. November 14, 1915.
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
17. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-17)**
[Clason Map Company](https://en.wikipedia.org/wiki/Clason_Map_Company "Clason Map Company") (1923). [*Midget Map of the Transcontinental Trails of the United States*](https://www.fhwa.dot.gov/infrastructure/midgetmap.cfm) (Map). Clason Map Company ā via Federal Highway Administration.
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
18. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-18)**
"Motor Sign Uniformity". *[The New York Times](https://en.wikipedia.org/wiki/The_New_York_Times "The New York Times")*. April 16, 1922. p. 98.
19. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-19)**
"New York's Main Highways Designated by Numbers". *The New York Times*. December 21, 1924. p. XX9.
20. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-FHWA_planning_20-0)**
Weingroff, Richard F. ["From Names to Numbers: The Origins of the U.S. Numbered Highway System"](https://www.fhwa.dot.gov/infrastructure/numbers.cfm). Federal Highway Administration. [Archived](https://web.archive.org/web/20071017125035/http://wwwcf.fhwa.dot.gov/infrastructure/numbers.htm) from the original on October 17, 2007. Retrieved October 12, 2007.
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
21. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-1925_list_21-0)**
Joint Board on Interstate Highways (1925). ["Appendix VI: Descriptions of the Interstate Routes Selected, with Numbers Assigned"](https://en.wikisource.org/wiki/Report_of_Joint_Board_on_Interstate_Highways_October_30,_1925#49). *Report of Joint Board on Interstate Highways, October 30, 1925, Approved by the Secretary of Agriculture, November 18, 1925* (Report). Washington, DC: [United States Department of Agriculture](https://en.wikipedia.org/wiki/United_States_Department_of_Agriculture "United States Department of Agriculture"). p. 49.
[OCLC](https://en.wikipedia.org/wiki/OCLC_\(identifier\) "OCLC (identifier)") [733875457](https://www.worldcat.org/oclc/733875457), [55123355](https://www.worldcat.org/oclc/55123355), [71026428](https://www.worldcat.org/oclc/71026428). [Archived](https://web.archive.org/web/20171114145350/https://en.wikisource.org/wiki/Report_of_Joint_Board_on_Interstate_Highways_October_30,_1925#49) from the original on November 14, 2017. Retrieved November 14, 2017 ā via [Wikisource](https://en.wikipedia.org/wiki/Wikisource "Wikisource").
22. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-1926routes_22-0)**
The following routes were used, shown on the 1926 Rand McNally:
- Florida: 4
- Georgia: 15, 17, and 24
- South Carolina: 12 and 50
- North Carolina: 50
- Virginia: 31
- Maryland: state highways were not numbered prior to the U.S. Highway system
- Pennsylvania: 12 and 1
- New Jersey: 13 and 1
- New York: 1
- New England: 1 and 24, and a small piece of 160 beyond [Madawaska, Maine](https://en.wikipedia.org/wiki/Madawaska,_Maine "Madawaska, Maine") (in the 1925 plan, part of 15 was also used)
23. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-1926_map_23-0)**
[Bureau of Public Roads](https://en.wikipedia.org/wiki/Bureau_of_Public_Roads "Bureau of Public Roads") & [American Association of State Highway Officials](https://en.wikipedia.org/wiki/American_Association_of_State_Highway_Officials "American Association of State Highway Officials") (November 11, 1926). [*United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials*](https://commons.wikimedia.org/wiki/File:United_States_System_of_Highways_Adopted_for_Uniform_Marking_by_the_American_Association_of_State_Highway_Officials.jpg) (Map). 1:7,000,000. Washington, DC: [United States Geological Survey](https://en.wikipedia.org/wiki/United_States_Geological_Survey "United States Geological Survey"). [OCLC](https://en.wikipedia.org/wiki/OCLC_\(identifier\) "OCLC (identifier)") [32889555](https://search.worldcat.org/oclc/32889555). Retrieved November 7, 2013 ā via [Wikimedia Commons](https://en.wikipedia.org/wiki/Wikimedia_Commons "Wikimedia Commons").
24. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-1927_log_24-0)**
"United States Numbered Highways". *American Highways*. [American Association of State Highway Officials](https://en.wikipedia.org/wiki/American_Association_of_State_Highway_Officials "American Association of State Highway Officials"). April 1927.
25. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-25)**
Hart, Steven (2007). *The Last Three Miles: Politics, Murder, and the Construction of America's First Superhighway*. [The New Press](https://en.wikipedia.org/wiki/The_New_Press "The New Press"). pp. 1ā5\. [ISBN](https://en.wikipedia.org/wiki/ISBN_\(identifier\) "ISBN (identifier)")
[978-1-59558-098-6](https://en.wikipedia.org/wiki/Special:BookSources/978-1-59558-098-6 "Special:BookSources/978-1-59558-098-6")
.
26. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-26)**
[Maine Department of Transportation](https://en.wikipedia.org/wiki/Maine_Department_of_Transportation "Maine Department of Transportation"). ["WaldoāHancock Bridge"](https://web.archive.org/web/20110605235116/http://www.maine.gov/mdot/covered-bridges/waldo.php). Archived from [the original](http://www.maine.gov/mdot/covered-bridges/waldo.php) on June 5, 2011. Retrieved October 12, 2007.
27. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-27)**
[State Road Department of Florida](https://en.wikipedia.org/wiki/State_Road_Department_of_Florida "State Road Department of Florida") (1941). [*Official State Road Map of Florida*](https://web.archive.org/web/20071122062420/http://alabamamaps.ua.edu/historicalmaps/us_states/florida/index3.html) (Map). Tallahassee: State Road Department of Florida. Archived from [the original](http://alabamamaps.ua.edu/historicalmaps/us_states/florida/index3.html) on November 22, 2007. Retrieved October 12, 2007.
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
28. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-28)**
[Gulf](https://en.wikipedia.org/wiki/Gulf_Oil "Gulf Oil") (1977). *Tourgide: United States, Canada and Mexico* (Map). Chicago: [Rand McNally & Company](https://en.wikipedia.org/wiki/Rand_McNally_%26_Company "Rand McNally & Company").
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
29. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-randmcnally_29-0)**
Rand McNally (2014). *The Road Atlas* (Walmart ed.). Chicago: Rand McNally. pp. 23, 26ā29, 45, 47, 49, 65ā66, 69, 74ā75, 89, 91ā92, 107, 111. [ISBN](https://en.wikipedia.org/wiki/ISBN_\(identifier\) "ISBN (identifier)")
[978-0-528-00771-2](https://en.wikipedia.org/wiki/Special:BookSources/978-0-528-00771-2 "Special:BookSources/978-0-528-00771-2")
.
## External links
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=14 "Edit section: External links")\]
[](https://en.wikipedia.org/wiki/File:Commons-logo.svg)
Wikimedia Commons has media related to [U.S. Route 1](https://commons.wikimedia.org/wiki/Category:U.S._Route_1 "commons:Category:U.S. Route 1").
[](https://en.wikipedia.org/wiki/File:Wikivoyage-Logo-v3-icon.svg)
Wikivoyage has a travel guide for ***[U.S. Highway 1](https://en.wikivoyage.org/wiki/U.S._Highway_1#Q406204 "wikivoyage:U.S. Highway 1")***.
**[KML file](https://en.wikipedia.org/w/index.php?title=Template:Attached_KML/U.S._Route_1&action=raw)** ([edit](https://en.wikipedia.org/w/index.php?title=Template:Attached_KML/U.S._Route_1&action=edit) ⢠[help](https://en.wikipedia.org/wiki/Help:Attached_KML "Help:Attached KML"))
[Template:Attached KML/U.S. Route 1](https://en.wikipedia.org/wiki/Template:Attached_KML/U.S._Route_1 "Template:Attached KML/U.S. Route 1")
KML is from Wikidata
- Weingroff, Richard F. ["U.S. 1: Fort Kent, Maine to Key West, Florida"](https://highways.dot.gov/highway-history/general-highway-history/us-1-fort-kent-maine-key-west-florida). [Federal Highway Administration](https://en.wikipedia.org/wiki/Federal_Highway_Administration "Federal Highway Administration"). Retrieved August 29, 2014.
- [Endpoints of U.S. Highway 1](https://www.usends.com/endpoints/us-1-us-9/1)
| [v](https://en.wikipedia.org/wiki/Template:US_1 "Template:US 1") [t](https://en.wikipedia.org/wiki/Template_talk:US_1 "Template talk:US 1") [e](https://en.wikipedia.org/wiki/Special:EditPage/Template:US_1 "Special:EditPage/Template:US 1")U.S. Routes related to [US 1]() | | |
|---|---|---|
|  | [US 1A](https://en.wikipedia.org/wiki/U.S._Route_1A "U.S. Route 1A") [US 201](https://en.wikipedia.org/wiki/U.S._Route_201 "U.S. Route 201") [US 301](https://en.wikipedia.org/wiki/U.S._Route_301 "U.S. Route 301") [US 401](https://en.wikipedia.org/wiki/U.S._Route_401 "U.S. Route 401") [US 501](https://en.wikipedia.org/wiki/U.S._Route_501 "U.S. Route 501") [US 601](https://en.wikipedia.org/wiki/U.S._Route_601 "U.S. Route 601") [US 701](https://en.wikipedia.org/wiki/U.S._Route_701 "U.S. Route 701") [Special](https://en.wikipedia.org/wiki/Special_routes_of_U.S._Route_1 "Special routes of U.S. Route 1") [301](https://en.wikipedia.org/wiki/Special_routes_of_U.S._Route_301 "Special routes of U.S. Route 301") [401](https://en.wikipedia.org/wiki/Special_routes_of_U.S._Route_401 "Special routes of U.S. Route 401") [501](https://en.wikipedia.org/wiki/Special_routes_of_U.S._Route_501 "Special routes of U.S. Route 501") [601](https://en.wikipedia.org/wiki/Special_routes_of_U.S._Route_601 "Special routes of U.S. Route 601") [701](https://en.wikipedia.org/wiki/Special_routes_of_U.S._Route_701 "Special routes of U.S. Route 701") |  |
| [v](https://en.wikipedia.org/wiki/Template:U.S._Routes "Template:U.S. Routes") [t](https://en.wikipedia.org/wiki/Template_talk:U.S._Routes "Template talk:U.S. Routes") [e](https://en.wikipedia.org/wiki/Special:EditPage/Template:U.S._Routes "Special:EditPage/Template:U.S. Routes")[](https://en.wikipedia.org/wiki/U.S._Route_shield "U.S. Route shield") [United States Numbered Highway System](https://en.wikipedia.org/wiki/United_States_Numbered_Highway_System "United States Numbered Highway System") |
|---|
| [1]() [2](https://en.wikipedia.org/wiki/U.S._Route_2 "U.S. Route 2") [3](https://en.wikipedia.org/wiki/U.S._Route_3 "U.S. Route 3") [4](https://en.wikipedia.org/wiki/U.S._Route_4 "U.S. Route 4") [5](https://en.wikipedia.org/wiki/U.S._Route_5 "U.S. Route 5") [6](https://en.wikipedia.org/wiki/U.S._Route_6 "U.S. Route 6") [7](https://en.wikipedia.org/wiki/U.S._Route_7 "U.S. Route 7") [8](https://en.wikipedia.org/wiki/U.S._Route_8 "U.S. Route 8") [9](https://en.wikipedia.org/wiki/U.S._Route_9 "U.S. Route 9") [10](https://en.wikipedia.org/wiki/U.S._Route_10 "U.S. Route 10") [11](https://en.wikipedia.org/wiki/U.S._Route_11 "U.S. Route 11") [12](https://en.wikipedia.org/wiki/U.S._Route_12 "U.S. Route 12") [13](https://en.wikipedia.org/wiki/U.S._Route_13 "U.S. Route 13") [14](https://en.wikipedia.org/wiki/U.S._Route_14 "U.S. Route 14") [15](https://en.wikipedia.org/wiki/U.S._Route_15 "U.S. Route 15") [16](https://en.wikipedia.org/wiki/U.S._Route_16 "U.S. Route 16") [17](https://en.wikipedia.org/wiki/U.S._Route_17 "U.S. Route 17") [18](https://en.wikipedia.org/wiki/U.S._Route_18 "U.S. Route 18") [19](https://en.wikipedia.org/wiki/U.S._Route_19 "U.S. Route 19") [20](https://en.wikipedia.org/wiki/U.S._Route_20 "U.S. Route 20") [21](https://en.wikipedia.org/wiki/U.S._Route_21 "U.S. Route 21") [22](https://en.wikipedia.org/wiki/U.S._Route_22 "U.S. Route 22") [23](https://en.wikipedia.org/wiki/U.S._Route_23 "U.S. Route 23") [24](https://en.wikipedia.org/wiki/U.S._Route_24 "U.S. Route 24") [25](https://en.wikipedia.org/wiki/U.S._Route_25 "U.S. Route 25") [26](https://en.wikipedia.org/wiki/U.S._Route_26 "U.S. Route 26") [27](https://en.wikipedia.org/wiki/U.S._Route_27 "U.S. Route 27") *[28](https://en.wikipedia.org/wiki/U.S._Route_28 "U.S. Route 28")* [29](https://en.wikipedia.org/wiki/U.S._Route_29 "U.S. Route 29") [30](https://en.wikipedia.org/wiki/U.S._Route_30 "U.S. Route 30") [31](https://en.wikipedia.org/wiki/U.S._Route_31 "U.S. Route 31") *[32](https://en.wikipedia.org/wiki/U.S._Route_6 "U.S. Route 6")* [33](https://en.wikipedia.org/wiki/U.S._Route_33 "U.S. Route 33") [34](https://en.wikipedia.org/wiki/U.S._Route_34 "U.S. Route 34") [35](https://en.wikipedia.org/wiki/U.S._Route_35 "U.S. Route 35") [36](https://en.wikipedia.org/wiki/U.S._Route_36 "U.S. Route 36") *[37](https://en.wikipedia.org/wiki/U.S._Route_31E "U.S. Route 31E")* *[38](https://en.wikipedia.org/wiki/U.S._Route_6 "U.S. Route 6")* [40](https://en.wikipedia.org/wiki/U.S._Route_40 "U.S. Route 40") [41](https://en.wikipedia.org/wiki/U.S._Route_41 "U.S. Route 41") [42](https://en.wikipedia.org/wiki/U.S._Route_42 "U.S. Route 42") [43](https://en.wikipedia.org/wiki/U.S._Route_43 "U.S. Route 43") [44](https://en.wikipedia.org/wiki/U.S._Route_44 "U.S. Route 44") [45](https://en.wikipedia.org/wiki/U.S._Route_45 "U.S. Route 45") [46](https://en.wikipedia.org/wiki/U.S._Route_46 "U.S. Route 46") [48](https://en.wikipedia.org/wiki/U.S._Route_48 "U.S. Route 48") [49](https://en.wikipedia.org/wiki/U.S._Route_49 "U.S. Route 49") [50](https://en.wikipedia.org/wiki/U.S._Route_50 "U.S. Route 50") [51](https://en.wikipedia.org/wiki/U.S._Route_51 "U.S. Route 51") [52](https://en.wikipedia.org/wiki/U.S._Route_52 "U.S. Route 52") [53](https://en.wikipedia.org/wiki/U.S._Route_53 "U.S. Route 53") [54](https://en.wikipedia.org/wiki/U.S._Route_54 "U.S. Route 54") *[55](https://en.wikipedia.org/wiki/U.S._Route_55 "U.S. Route 55")* [56](https://en.wikipedia.org/wiki/U.S._Route_56 "U.S. Route 56") [57](https://en.wikipedia.org/wiki/U.S._Route_57 "U.S. Route 57") [58](https://en.wikipedia.org/wiki/U.S._Route_58 "U.S. Route 58") [59](https://en.wikipedia.org/wiki/U.S._Route_59 "U.S. Route 59") [60](https://en.wikipedia.org/wiki/U.S._Route_60 "U.S. Route 60") [61](https://en.wikipedia.org/wiki/U.S._Route_61 "U.S. Route 61") [62](https://en.wikipedia.org/wiki/U.S._Route_62 "U.S. Route 62") [63](https://en.wikipedia.org/wiki/U.S._Route_63 "U.S. Route 63") [64](https://en.wikipedia.org/wiki/U.S._Route_64 "U.S. Route 64") [65](https://en.wikipedia.org/wiki/U.S._Route_65 "U.S. Route 65") *[66](https://en.wikipedia.org/wiki/U.S._Route_66 "U.S. Route 66")* [67](https://en.wikipedia.org/wiki/U.S._Route_67 "U.S. Route 67") [68](https://en.wikipedia.org/wiki/U.S._Route_68 "U.S. Route 68") [69](https://en.wikipedia.org/wiki/U.S._Route_69 "U.S. Route 69") [70](https://en.wikipedia.org/wiki/U.S._Route_70 "U.S. Route 70") [71](https://en.wikipedia.org/wiki/U.S._Route_71 "U.S. Route 71") [72](https://en.wikipedia.org/wiki/U.S._Route_72 "U.S. Route 72") [73](https://en.wikipedia.org/wiki/U.S._Route_73 "U.S. Route 73") [74](https://en.wikipedia.org/wiki/U.S._Route_74 "U.S. Route 74") [75](https://en.wikipedia.org/wiki/U.S._Route_75 "U.S. Route 75") [76](https://en.wikipedia.org/wiki/U.S._Route_76 "U.S. Route 76") [77](https://en.wikipedia.org/wiki/U.S._Route_77 "U.S. Route 77") [78](https://en.wikipedia.org/wiki/U.S._Route_78 "U.S. Route 78") [79](https://en.wikipedia.org/wiki/U.S._Route_79 "U.S. Route 79") [80](https://en.wikipedia.org/wiki/U.S._Route_80 "U.S. Route 80") [81](https://en.wikipedia.org/wiki/U.S._Route_81 "U.S. Route 81") [82](https://en.wikipedia.org/wiki/U.S._Route_82 "U.S. Route 82") [83](https://en.wikipedia.org/wiki/U.S._Route_83 "U.S. Route 83") [84](https://en.wikipedia.org/wiki/U.S._Route_84 "U.S. Route 84") [85](https://en.wikipedia.org/wiki/U.S._Route_85 "U.S. Route 85") [87](https://en.wikipedia.org/wiki/U.S._Route_87 "U.S. Route 87") [89](https://en.wikipedia.org/wiki/U.S._Route_89 "U.S. Route 89") [90](https://en.wikipedia.org/wiki/U.S._Route_90 "U.S. Route 90") [91](https://en.wikipedia.org/wiki/U.S._Route_91 "U.S. Route 91") [92](https://en.wikipedia.org/wiki/U.S._Route_92 "U.S. Route 92") [93](https://en.wikipedia.org/wiki/U.S._Route_93 "U.S. Route 93") *[94](https://en.wikipedia.org/wiki/Tamiami_Trail "Tamiami Trail")* [95](https://en.wikipedia.org/wiki/U.S._Route_95 "U.S. Route 95") [96](https://en.wikipedia.org/wiki/U.S._Route_96 "U.S. Route 96") [97](https://en.wikipedia.org/wiki/U.S._Route_97 "U.S. Route 97") [98](https://en.wikipedia.org/wiki/U.S._Route_98 "U.S. Route 98") *[99](https://en.wikipedia.org/wiki/U.S._Route_99 "U.S. Route 99")* [101](https://en.wikipedia.org/wiki/U.S._Route_101 "U.S. Route 101") [163](https://en.wikipedia.org/wiki/U.S._Route_163 "U.S. Route 163") [400](https://en.wikipedia.org/wiki/U.S._Route_400 "U.S. Route 400") [412](https://en.wikipedia.org/wiki/U.S._Route_412 "U.S. Route 412") [425](https://en.wikipedia.org/wiki/U.S._Route_425 "U.S. Route 425") |
| [Mainline highways](https://en.wikipedia.org/wiki/List_of_United_States_Numbered_Highways "List of United States Numbered Highways") [Divided routes](https://en.wikipedia.org/wiki/List_of_divided_U.S._Routes "List of divided U.S. Routes") [Special routes](https://en.wikipedia.org/wiki/List_of_special_routes_of_the_United_States_Numbered_Highway_System "List of special routes of the United States Numbered Highway System") |
| Routes in *italics* are no longer a part of the system. Highlighted routes are considered main routes of the system. |
| [Authority control databases](https://en.wikipedia.org/wiki/Help:Authority_control "Help:Authority control") [](https://www.wikidata.org/wiki/Q406204#identifiers "Edit this at Wikidata") | |
|---|---|
| International | [VIAF](https://viaf.org/viaf/315527090) [FAST](https://id.worldcat.org/fast/1247290) [WorldCat](https://id.oclc.org/worldcat/entity/E39PBJv8JPcyVJb49PHhqtCbBP) |
| National | [United States](https://id.loc.gov/authorities/sh88001530) [France](https://catalogue.bnf.fr/ark:/12148/cb16671998r) [BnF data](https://data.bnf.fr/ark:/12148/cb16671998r) [Israel](https://www.nli.org.il/en/authorities/987007534347605171) |
| Other | [Yale LUX](https://lux.collections.yale.edu/view/place/faa72958-11f1-4aa0-96d7-30da72a84e09) |

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U.S. Route 1
28 languages
[Add topic](https://en.wikipedia.org/wiki/U.S._Route_1) |
| Readable Markdown | **Route map**:
From Wikipedia, the free encyclopedia
| [](https://en.wikipedia.org/wiki/File:US_1.svg) U.S. Route 1 | | |
|---|---|---|
| []()US 1 highlighted in red | | |
| Route information | | |
| Length | 2,369.49 mi[\[1\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-AASHTO-1) (3,813.32 km) | |
| Existed | November 11, 1926āpresent | |
| Major junctions | | |
| South end | Fleming Street in [Key West, FL](https://en.wikipedia.org/wiki/Key_West "Key West") | |
| |  [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Miami, FL](https://en.wikipedia.org/wiki/Miami "Miami")  [I-20](https://en.wikipedia.org/wiki/Interstate_20 "Interstate 20") near [Aiken, SC](https://en.wikipedia.org/wiki/Aiken,_South_Carolina "Aiken, South Carolina")  [I-77](https://en.wikipedia.org/wiki/Interstate_77 "Interstate 77") in [Columbia, SC](https://en.wikipedia.org/wiki/Columbia,_South_Carolina "Columbia, South Carolina")  [I-40](https://en.wikipedia.org/wiki/Interstate_40 "Interstate 40") in [Raleigh, NC](https://en.wikipedia.org/wiki/Raleigh,_North_Carolina "Raleigh, North Carolina")  [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") / [US 460](https://en.wikipedia.org/wiki/U.S._Route_460 "U.S. Route 460") near [Petersburg, VA](https://en.wikipedia.org/wiki/Petersburg,_Virginia "Petersburg, Virginia")  [I-64](https://en.wikipedia.org/wiki/Interstate_64 "Interstate 64") / [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Richmond, VA](https://en.wikipedia.org/wiki/Richmond,_Virginia "Richmond, Virginia")  [I-83](https://en.wikipedia.org/wiki/Interstate_83 "Interstate 83") in [Baltimore, MD](https://en.wikipedia.org/wiki/Baltimore,_Maryland "Baltimore, Maryland")  [I-76](https://en.wikipedia.org/wiki/Interstate_76_\(Ohio%E2%80%93New_Jersey\) "Interstate 76 (OhioāNew Jersey)") in [Philadelphia, PA](https://en.wikipedia.org/wiki/Philadelphia "Philadelphia")  [I-87](https://en.wikipedia.org/wiki/Interstate_87_\(New_York\) "Interstate 87 (New York)") in [New York, NY](https://en.wikipedia.org/wiki/New_York_City "New York City")  [I-90](https://en.wikipedia.org/wiki/Interstate_90 "Interstate 90") / [I-93](https://en.wikipedia.org/wiki/Interstate_93 "Interstate 93") in [Boston, MA](https://en.wikipedia.org/wiki/Boston "Boston") | |
| North end |  [Route 161](https://en.wikipedia.org/wiki/New_Brunswick_Route_161 "New Brunswick Route 161") / [Route 205](https://en.wikipedia.org/wiki/New_Brunswick_Route_205 "New Brunswick Route 205") at the [Fort KentāClair Border Crossing](https://en.wikipedia.org/wiki/Fort_Kent%E2%80%93Clair_Border_Crossing "Fort KentāClair Border Crossing") in [Fort Kent, ME](https://en.wikipedia.org/wiki/Fort_Kent,_Maine "Fort Kent, Maine") | |
| Location | | |
| Country | [United States](https://en.wikipedia.org/wiki/United_States "United States") | |
| States | [Florida](https://en.wikipedia.org/wiki/Florida "Florida"), [Georgia](https://en.wikipedia.org/wiki/Georgia_\(U.S._state\) "Georgia (U.S. state)"), [South Carolina](https://en.wikipedia.org/wiki/South_Carolina "South Carolina"), [North Carolina](https://en.wikipedia.org/wiki/North_Carolina "North Carolina"), [Virginia](https://en.wikipedia.org/wiki/Virginia "Virginia"), [District of Columbia](https://en.wikipedia.org/wiki/Washington,_D.C. "Washington, D.C."), [Maryland](https://en.wikipedia.org/wiki/Maryland "Maryland"), [Pennsylvania](https://en.wikipedia.org/wiki/Pennsylvania "Pennsylvania"), [New Jersey](https://en.wikipedia.org/wiki/New_Jersey "New Jersey"), [New York](https://en.wikipedia.org/wiki/New_York_\(state\) "New York (state)"), [Connecticut](https://en.wikipedia.org/wiki/Connecticut "Connecticut"), [Rhode Island](https://en.wikipedia.org/wiki/Rhode_Island "Rhode Island"), [Massachusetts](https://en.wikipedia.org/wiki/Massachusetts "Massachusetts"), [New Hampshire](https://en.wikipedia.org/wiki/New_Hampshire "New Hampshire"), [Maine](https://en.wikipedia.org/wiki/Maine "Maine") | |
| Highway system | | |
| **[United States Numbered Highway System](https://en.wikipedia.org/wiki/United_States_Numbered_Highway_System "United States Numbered Highway System")** [List](https://en.wikipedia.org/wiki/List_of_United_States_Numbered_Highways "List of United States Numbered Highways") [Special](https://en.wikipedia.org/wiki/List_of_special_routes_of_the_United_States_Numbered_Highway_System "List of special routes of the United States Numbered Highway System") [Divided](https://en.wikipedia.org/wiki/List_of_divided_U.S._Routes "List of divided U.S. Routes") | | |
| | | |
| ā  [US 425](https://en.wikipedia.org/wiki/U.S._Route_425 "U.S. Route 425") | **[US](https://en.wikipedia.org/wiki/List_of_United_States_Numbered_Highways "List of United States Numbered Highways")** | ā  [US 2](https://en.wikipedia.org/wiki/U.S._Route_2 "U.S. Route 2") |
| ā  [Route 32A](https://en.wikipedia.org/wiki/Route_32A_\(New_England\) "Route 32A (New England)") | **[N.E.](https://en.wikipedia.org/wiki/New_England_road_marking_system "New England road marking system")** | ā  [Route 1A](https://en.wikipedia.org/wiki/Route_1A_\(New_England\) "Route 1A (New England)") |
**U.S. Route 1** or **U.S. Highway 1** (**US 1**) is a major northāsouth [United States Numbered Highway](https://en.wikipedia.org/wiki/United_States_Numbered_Highway_System "United States Numbered Highway System") that serves the [East Coast of the United States](https://en.wikipedia.org/wiki/East_Coast_of_the_United_States "East Coast of the United States"). It runs 2,370 miles (3,810 km) from [Key West](https://en.wikipedia.org/wiki/Key_West "Key West"), [Florida](https://en.wikipedia.org/wiki/Florida "Florida"), north to [Fort Kent, Maine](https://en.wikipedia.org/wiki/Fort_Kent,_Maine "Fort Kent, Maine"), at the [Canadian border](https://en.wikipedia.org/wiki/Canada%E2%80%93United_States_border "CanadaāUnited States border"), making it the longest northāsouth road in the United States.[\[2\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-Magic_valley_lists_US_1_as_the_longest_US_Route_in_the_United_States-2) US 1 is generally paralleled by [Interstate 95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") (I-95), though US 1 is significantly farther west and inland between [Jacksonville, Florida](https://en.wikipedia.org/wiki/Jacksonville,_Florida "Jacksonville, Florida"), and [Petersburg, Virginia](https://en.wikipedia.org/wiki/Petersburg,_Virginia "Petersburg, Virginia"), while I-95 is closer to the coastline. In contrast, US 1 in Maine is much closer to the coast than I-95, which runs farther inland than US 1. The route connects most of the major cities of the [East Coast](https://en.wikipedia.org/wiki/East_Coast_of_the_United_States "East Coast of the United States") from the [Southeastern United States](https://en.wikipedia.org/wiki/Southeastern_United_States "Southeastern United States") to [New England](https://en.wikipedia.org/wiki/New_England "New England"), including [Miami](https://en.wikipedia.org/wiki/Miami "Miami"), [Jacksonville](https://en.wikipedia.org/wiki/Jacksonville,_Florida "Jacksonville, Florida"), [Augusta](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia"), [Columbia](https://en.wikipedia.org/wiki/Columbia,_South_Carolina "Columbia, South Carolina"), [Raleigh](https://en.wikipedia.org/wiki/Raleigh,_North_Carolina "Raleigh, North Carolina"), [Richmond](https://en.wikipedia.org/wiki/Richmond,_Virginia "Richmond, Virginia"), [Washington, D.C.](https://en.wikipedia.org/wiki/Washington,_D.C. "Washington, D.C."), [Baltimore](https://en.wikipedia.org/wiki/Baltimore "Baltimore"), [Philadelphia](https://en.wikipedia.org/wiki/Philadelphia "Philadelphia"), [Newark](https://en.wikipedia.org/wiki/Newark,_New_Jersey "Newark, New Jersey"), [New York City](https://en.wikipedia.org/wiki/New_York_City "New York City"), [New Haven](https://en.wikipedia.org/wiki/New_Haven,_Connecticut "New Haven, Connecticut"), [Providence](https://en.wikipedia.org/wiki/Providence,_Rhode_Island "Providence, Rhode Island"), [Boston](https://en.wikipedia.org/wiki/Boston "Boston"), and [Portland](https://en.wikipedia.org/wiki/Portland,_Maine "Portland, Maine").
While US 1 is generally the easternmost of the main northāsouth U.S. Routes, parts of several others occupy corridors closer to the ocean. When the road system was laid out in the 1920s, US 1 was mostly assigned to the existing [Atlantic Highway](https://en.wikipedia.org/wiki/Atlantic_Highway_\(United_States\) "Atlantic Highway (United States)"), which followed the [Atlantic Seaboard Fall Line](https://en.wikipedia.org/wiki/Atlantic_Seaboard_Fall_Line "Atlantic Seaboard Fall Line") between the [Piedmont](https://en.wikipedia.org/wiki/Piedmont_\(United_States\) "Piedmont (United States)") and the [Atlantic Plain](https://en.wikipedia.org/wiki/Atlantic_Plain "Atlantic Plain") north of [Augusta, Georgia](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia").[\[3\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-3) At the time, the highways farther east were of lower quality and did not serve the major population centers.[\[4\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-1926_Rand_McNally-4) From [Henderson, North Carolina](https://en.wikipedia.org/wiki/Henderson,_North_Carolina "Henderson, North Carolina"), to [Petersburg, Virginia](https://en.wikipedia.org/wiki/Petersburg,_Virginia "Petersburg, Virginia"), it is paralleled by [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85"). Construction of the Interstate Highway System gradually changed the use and character of US 1, and I-95 became the major northāsouth East Coast highway by the late 1960s.
[](https://en.wikipedia.org/wiki/File:US_1_\(FL\).svg)
A US 1 shield used in Florida prior to 1993
[](https://en.wikipedia.org/wiki/File:Southernmost_point_of_U.S._Highway_1.jpg)
Mile 0, Key West, Florida
[](https://en.wikipedia.org/wiki/File:Moser_Channel_top.jpg)
US 1 crossing [Moser Channel](https://en.wikipedia.org/wiki/Moser_Channel "Moser Channel") along the Overseas Highway, Florida Keys
[](https://en.wikipedia.org/wiki/File:Southern_Biscayne_Boulevard.jpg)
[](https://en.wikipedia.org/wiki/File:Augsky2.JPG)
Skyline of Augusta, Georgia, as seen from US 1 in North Augusta near I-520
[](https://en.wikipedia.org/wiki/File:Beltline1.JPG)
[I-40](https://en.wikipedia.org/wiki/Interstate_40 "Interstate 40") east approaching the Raleigh Beltline, which includes US 1
[](https://en.wikipedia.org/wiki/File:14thStreetbridgeWashingtonDC.jpg)
[](https://en.wikipedia.org/wiki/File:2021-08-16_13_32_31_View_of_the_Conowingo_Dam_from_Maryland_State_Route_222_\(Susquehanna_River_Road\)_in_Conowingo_Station,_Cecil_County,_Maryland.jpg)
[](https://en.wikipedia.org/wiki/File:US_1_NB_past_PA_532.jpeg)
[](https://en.wikipedia.org/wiki/File:Boston_skyline_from_Malone_Park,_Chelsea,_February_2014.jpg)
[](https://en.wikipedia.org/wiki/File:Memorial_Bridge_\(Portsmouth,_New_Hampshire\)_April_2016.JPG)
[](https://en.wikipedia.org/wiki/File:Start_US_Highway_1.jpg)
Monument in Fort Kent dedicated to US 1, Fort Kent, Maine
US 1 travels along the east coast of [Florida](https://en.wikipedia.org/wiki/Florida "Florida"), beginning at 490 Whitehead Street in [Key West](https://en.wikipedia.org/wiki/Key_West "Key West")[\[5\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-5) and passing through [Miami](https://en.wikipedia.org/wiki/Miami "Miami"), [Hollywood](https://en.wikipedia.org/wiki/Hollywood,_Florida "Hollywood, Florida"), [Fort Lauderdale](https://en.wikipedia.org/wiki/Fort_Lauderdale,_Florida "Fort Lauderdale, Florida"), [Boca Raton](https://en.wikipedia.org/wiki/Boca_Raton,_Florida "Boca Raton, Florida"), [West Palm Beach](https://en.wikipedia.org/wiki/West_Palm_Beach,_Florida "West Palm Beach, Florida"), [Jupiter](https://en.wikipedia.org/wiki/Jupiter,_Florida "Jupiter, Florida"), [Fort Pierce](https://en.wikipedia.org/wiki/Fort_Pierce,_Florida "Fort Pierce, Florida"), [Melbourne](https://en.wikipedia.org/wiki/Melbourne,_Florida "Melbourne, Florida"), [Cocoa](https://en.wikipedia.org/wiki/Cocoa,_Florida "Cocoa, Florida"), [Titusville](https://en.wikipedia.org/wiki/Titusville,_Florida "Titusville, Florida"), [Daytona Beach](https://en.wikipedia.org/wiki/Daytona_Beach,_Florida "Daytona Beach, Florida"), [Palm Coast](https://en.wikipedia.org/wiki/Palm_Coast,_Florida "Palm Coast, Florida"), [St. Augustine](https://en.wikipedia.org/wiki/St._Augustine,_Florida "St. Augustine, Florida"), and [Jacksonville](https://en.wikipedia.org/wiki/Jacksonville,_Florida "Jacksonville, Florida"). The southernmost piece through the chain islands of the [Florida Keys](https://en.wikipedia.org/wiki/Florida_Keys "Florida Keys"), about 100 miles (160 km) long, is the two-lane [Overseas Highway](https://en.wikipedia.org/wiki/Overseas_Highway "Overseas Highway"), originally built in the late 1930s after railroad tycoon [Henry Flagler](https://en.wikipedia.org/wiki/Henry_Flagler "Henry Flagler")'s [Florida East Coast Railway](https://en.wikipedia.org/wiki/Florida_East_Coast_Railway "Florida East Coast Railway")'s [Overseas Railroad](https://en.wikipedia.org/wiki/Overseas_Railroad "Overseas Railroad"), which was built between 1905 and 1912 on stone pillars, was ruined by the [1935 Labor Day hurricane](https://en.wikipedia.org/wiki/1935_Labor_Day_hurricane "1935 Labor Day hurricane"). The rest of US 1 in Florida is generally a four-lane [divided highway](https://en.wikipedia.org/wiki/Divided_highway "Divided highway"), despite the existence of the newer [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") not far away. Famous vacation scenic route [State Road A1A](https://en.wikipedia.org/wiki/Florida_State_Road_A1A "Florida State Road A1A") is a continuous oceanfront alternate to US 1 that runs along the beaches of the [Atlantic Ocean](https://en.wikipedia.org/wiki/Atlantic_Ocean "Atlantic Ocean"), cut only by assorted unbridged inlets and the [Kennedy Space Center](https://en.wikipedia.org/wiki/Kennedy_Space_Center "Kennedy Space Center") at [Cape Canaveral](https://en.wikipedia.org/wiki/Cape_Canaveral "Cape Canaveral"). North of Jacksonville, US 1 turns northwest toward [Augusta, Georgia](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia"); [US 17](https://en.wikipedia.org/wiki/U.S._Route_17 "U.S. Route 17") becomes the coastal route into [Virginia](https://en.wikipedia.org/wiki/Virginia "Virginia"), where [US 13](https://en.wikipedia.org/wiki/U.S._Route_13 "U.S. Route 13") takes over.[\[6\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-maps-6) In Florida until the 1990s, US 1 used high-contrast markers (white text on a red background).[\[7\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-7)
The part of US 1 in [Georgia](https://en.wikipedia.org/wiki/Georgia_\(U.S._state\) "Georgia (U.S. state)"), as it shifts from the coastal alignment in Florida to the Atlantic Seaboard Fall Line alignment in South Carolina, is generally very rural, passing through marshes and former [plantations](https://en.wikipedia.org/wiki/Plantation_complexes_in_the_Southern_United_States "Plantation complexes in the Southern United States") between the towns and cities of [Folkston](https://en.wikipedia.org/wiki/Folkston,_Georgia "Folkston, Georgia"), [Waycross](https://en.wikipedia.org/wiki/Waycross,_Georgia "Waycross, Georgia"), [Alma](https://en.wikipedia.org/wiki/Alma,_Georgia "Alma, Georgia"), [Baxley](https://en.wikipedia.org/wiki/Baxley,_Georgia "Baxley, Georgia"), [Lyons](https://en.wikipedia.org/wiki/Lyons,_Georgia "Lyons, Georgia"), [Swainsboro](https://en.wikipedia.org/wiki/Swainsboro,_Georgia "Swainsboro, Georgia"), and [Augusta](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia"). The [Georgia Department of Transportation](https://en.wikipedia.org/wiki/Georgia_Department_of_Transportation "Georgia Department of Transportation") has an ongoing plan to widen all of US 1 to four lanes with bypasses, which is more than 50 percent complete.
In [South Carolina](https://en.wikipedia.org/wiki/South_Carolina "South Carolina"), US 1 generally serves mostly rural areas as it falls west of [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") while the coastal areas are served by routes east of it. Starting in South Carolina, US 1 is paralleled by [I-20](https://en.wikipedia.org/wiki/Interstate_20 "Interstate 20") along the [Atlantic Seaboard Fall Line](https://en.wikipedia.org/wiki/Atlantic_Seaboard_Fall_Line "Atlantic Seaboard Fall Line") through [Aiken](https://en.wikipedia.org/wiki/Aiken,_South_Carolina "Aiken, South Carolina"), [Lexington](https://en.wikipedia.org/wiki/Lexington,_South_Carolina "Lexington, South Carolina"), and [Columbia](https://en.wikipedia.org/wiki/Columbia,_South_Carolina "Columbia, South Carolina") to [Camden](https://en.wikipedia.org/wiki/Camden,_South_Carolina "Camden, South Carolina") and [Lugoff](https://en.wikipedia.org/wiki/Lugoff,_South_Carolina "Lugoff, South Carolina"). US 1 functions as a local two-lane road with occasional boulevard stretches. After Camden, US 1 continues northeast away from any Interstate toward [Bethune](https://en.wikipedia.org/wiki/Bethune,_South_Carolina "Bethune, South Carolina"), [Patrick](https://en.wikipedia.org/wiki/Patrick,_South_Carolina "Patrick, South Carolina"), [McBee](https://en.wikipedia.org/wiki/McBee,_South_Carolina "McBee, South Carolina"), and [Cheraw](https://en.wikipedia.org/wiki/Cheraw,_South_Carolina "Cheraw, South Carolina") with no bypasses or four-lane sections except around Cheraw through the [US 52](https://en.wikipedia.org/wiki/U.S._Route_52 "U.S. Route 52") and [South Carolina Highway 9](https://en.wikipedia.org/wiki/South_Carolina_Highway_9 "South Carolina Highway 9") (SC 9) concurrencies. After SC 9, it continues northward into North Carolina as a two -lane highway. The [South Carolina Department of Transportation](https://en.wikipedia.org/wiki/South_Carolina_Department_of_Transportation "South Carolina Department of Transportation") (SCDOT) has no plans to widen or bypass any US 1 alignments northeast of Camden to the North Carolina line.
Between the South Carolina line and the [US 74](https://en.wikipedia.org/wiki/U.S._Route_74 "U.S. Route 74") bypass, US 1 is a two-lane road but sees a considerable amount of truck and tourist traffic of people cutting through from the US 74/[US 220](https://en.wikipedia.org/wiki/U.S._Route_220 "U.S. Route 220") and [I-73](https://en.wikipedia.org/wiki/Interstate_73 "Interstate 73")/[I-74](https://en.wikipedia.org/wiki/Interstate_74 "Interstate 74") corridor attempting to reach points south and east. US 1 goes through downtown [Rockingham](https://en.wikipedia.org/wiki/Rockingham,_North_Carolina "Rockingham, North Carolina"), with a bypass in the future plans. North of the [North Carolina Highway 177](https://en.wikipedia.org/wiki/North_Carolina_Highway_177 "North Carolina Highway 177") (NC 177) junction, it becomes four lanes or greater, becoming a [superstreet](https://en.wikipedia.org/wiki/Superstreet "Superstreet") with limited access and then becoming a limited access freeway. US 1 becomes a major artery for the state as it moves north of Rockingham. After [Richmond County](https://en.wikipedia.org/wiki/Richmond_County,_North_Carolina "Richmond County, North Carolina"), it goes into [Moore County](https://en.wikipedia.org/wiki/Moore_County,_North_Carolina "Moore County, North Carolina") with two expressway bypasses in [Southern Pines](https://en.wikipedia.org/wiki/Southern_Pines,_North_Carolina "Southern Pines, North Carolina"), [Vass](https://en.wikipedia.org/wiki/Vass,_North_Carolina "Vass, North Carolina"), and [Cameron](https://en.wikipedia.org/wiki/Cameron,_North_Carolina "Cameron, North Carolina"). US 1 continues with the [Jefferson Davis Highway](https://en.wikipedia.org/wiki/Jefferson_Davis_Highway "Jefferson Davis Highway") label through [Lee County](https://en.wikipedia.org/wiki/Lee_County,_North_Carolina "Lee County, North Carolina") and [Sanford](https://en.wikipedia.org/wiki/Sanford,_North_Carolina "Sanford, North Carolina"), and on to [Cary](https://en.wikipedia.org/wiki/Cary,_North_Carolina "Cary, North Carolina") and [Raleigh](https://en.wikipedia.org/wiki/Raleigh,_North_Carolina "Raleigh, North Carolina"). US 1 runs concurrently with [US 64](https://en.wikipedia.org/wiki/U.S._Route_64 "U.S. Route 64") through most of Cary, where the freeway recently underwent a major renovation and improvements that added lanes in both directions.[\[8\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-8) North of Raleigh, US 1 (known as Capital Boulevard in northern Wake County) crosses [I-540](https://en.wikipedia.org/wiki/Interstate_540_\(North_Carolina\) "Interstate 540 (North Carolina)") and then again becomes a four-lane divided arterial to [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") near [Henderson](https://en.wikipedia.org/wiki/Henderson,_North_Carolina "Henderson, North Carolina"). The [North Carolina Department of Transportation](https://en.wikipedia.org/wiki/North_Carolina_Department_of_Transportation "North Carolina Department of Transportation") (NCDOT) has begun a corridor study for this section of US 1[\[9\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-9) to determine the feasibility of transitioning the stretch of highway from I-540 to Wake Forest into a toll road.[\[10\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-10) Moreover, NCDOT is planning to finish four-laning US 1 in Richmond County past NC 177 with a Rockingham bypass to the east. There are no plans from SCDOT to widen US 1 from the state line. From Henderson into Virginia, US 1 runs parallel with I-85 as a two-lane local road until the state line, where Virginia hosts a continuous third center lane for alternate passing toward [US 58](https://en.wikipedia.org/wiki/U.S._Route_58 "U.S. Route 58") before [South Hill](https://en.wikipedia.org/wiki/South_Hill,_Virginia "South Hill, Virginia").
In the [Mid-Atlantic](https://en.wikipedia.org/wiki/Mid-Atlantic_\(United_States\) "Mid-Atlantic (United States)"), US 1 generally serves some of the [most populated areas of the east coast](https://en.wikipedia.org/wiki/Northeast_megalopolis "Northeast megalopolis"). Through [Virginia](https://en.wikipedia.org/wiki/Virginia "Virginia"), US 1 is paralleled by Interstates: the remainder of [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") to [Petersburg](https://en.wikipedia.org/wiki/Petersburg,_Virginia "Petersburg, Virginia"), [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") through [Richmond](https://en.wikipedia.org/wiki/Richmond,_Virginia "Richmond, Virginia") and [Fredericksburg](https://en.wikipedia.org/wiki/Fredericksburg,_Virginia "Fredericksburg, Virginia") to [Alexandria](https://en.wikipedia.org/wiki/Alexandria,_Virginia "Alexandria, Virginia"), and [I-395](https://en.wikipedia.org/wiki/Interstate_395_\(Virginia%E2%80%93District_of_Columbia\) "Interstate 395 (VirginiaāDistrict of Columbia)") into [Arlington](https://en.wikipedia.org/wiki/Arlington_County,_Virginia "Arlington County, Virginia"). In much of Virginia, US 1 was called the [Jefferson Davis Highway](https://en.wikipedia.org/wiki/Jefferson_Davis_Highway "Jefferson Davis Highway") by state law, although there are exceptions. South of Petersburg, it is known as Boydton Plank Road. Through some of [Fairfax County](https://en.wikipedia.org/wiki/Fairfax_County,_Virginia "Fairfax County, Virginia") and Alexandria, it is called the Richmond Highway.[\[11\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-11) In February 2021, Virginia renamed all remaining portions of the Jefferson Davis Highway in the state to Emancipation Highway beginning on January 1, 2022.[\[12\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-:0-12)[\[13\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-:2-13)
US 1 crosses the [Potomac River](https://en.wikipedia.org/wiki/Potomac_River "Potomac River") with I-395 on the [14th Street bridges](https://en.wikipedia.org/wiki/14th_Street_bridges "14th Street bridges") and splits to follow mainly [14th Street](https://en.wikipedia.org/wiki/14th_Street_\(Washington,_D.C.\) "14th Street (Washington, D.C.)") and [Rhode Island Avenue](https://en.wikipedia.org/wiki/Rhode_Island_Avenue "Rhode Island Avenue") through the [District of Columbia](https://en.wikipedia.org/wiki/District_of_Columbia "District of Columbia"). US 1 is at the minimum of three lanes (with alternate passing) from the North Carolina state line to Petersburg with occasional four-lane divided sections. North of Petersburg is a four-lane undivided roadway at the minimum to the DC line. The route of US 1 from Petersburg to the state line is parallel with the [Atlantic Seaboard Fall Line](https://en.wikipedia.org/wiki/Atlantic_Seaboard_Fall_Line "Atlantic Seaboard Fall Line"). From Petersburg onward, it is parallel with I-95. After exiting DC into [Maryland](https://en.wikipedia.org/wiki/Maryland "Maryland"), US 1 follows the BaltimoreāWashington Boulevard, the first of several modern highways built along the [WashingtonāBaltimore combined statistical area](https://en.wikipedia.org/wiki/Washington%E2%80%93Baltimore_combined_statistical_area "WashingtonāBaltimore combined statistical area") corridor; I-95 is the newest, after the [BaltimoreāWashington Parkway](https://en.wikipedia.org/wiki/Baltimore%E2%80%93Washington_Parkway "BaltimoreāWashington Parkway"). US 1 runs through the [University of Maryland, College Park](https://en.wikipedia.org/wiki/University_of_Maryland,_College_Park "University of Maryland, College Park"), campus in [College Park, Maryland](https://en.wikipedia.org/wiki/College_Park,_Maryland "College Park, Maryland"). The route bypasses [Downtown Baltimore](https://en.wikipedia.org/wiki/Downtown_Baltimore "Downtown Baltimore") on [North Avenue](https://en.wikipedia.org/wiki/North_Avenue_\(Baltimore\) "North Avenue (Baltimore)") and exits the city to the northeast on Belair Road, gradually leaving the I-95 corridor, which passes through [Wilmington, Delaware](https://en.wikipedia.org/wiki/Wilmington,_Delaware "Wilmington, Delaware"), for a straighter path toward [Philadelphia](https://en.wikipedia.org/wiki/Philadelphia "Philadelphia"). Around and beyond [Bel Air](https://en.wikipedia.org/wiki/Bel_Air,_Harford_County,_Maryland "Bel Air, Harford County, Maryland"), US 1 is a two-lane road, crossing the [Susquehanna River](https://en.wikipedia.org/wiki/Susquehanna_River "Susquehanna River") over the top of the [Conowingo Dam](https://en.wikipedia.org/wiki/Conowingo_Dam "Conowingo Dam") before entering Pennsylvania. (Routed further north, US 1 bypasses the state of [Delaware](https://en.wikipedia.org/wiki/Delaware "Delaware"), unlike I-95.)[\[6\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-maps-6)
The two-lane US 1 becomes a four-lane [expressway](https://en.wikipedia.org/wiki/Controlled-access_highway "Controlled-access highway"), officially known as the John H. Ware III Memorial Highway, after [the Pennsylvania representative](https://en.wikipedia.org/wiki/John_H._Ware_III "John H. Ware III"), just after crossing into [Pennsylvania](https://en.wikipedia.org/wiki/Pennsylvania "Pennsylvania"). This bypass extends around [Oxford](https://en.wikipedia.org/wiki/Oxford,_Pennsylvania "Oxford, Pennsylvania") and [Kennett Square](https://en.wikipedia.org/wiki/Kennett_Square,_Pennsylvania "Kennett Square, Pennsylvania"), merging into the four-lane divided [Baltimore Pike](https://en.wikipedia.org/wiki/Baltimore_Pike "Baltimore Pike") just beyond the latter. At [Media](https://en.wikipedia.org/wiki/Media,_Pennsylvania "Media, Pennsylvania"), US 1 again becomes a freewayāthe Media Bypassāending just beyond [I-476](https://en.wikipedia.org/wiki/Interstate_476 "Interstate 476"). After several name changes, the road becomes [City Avenue](https://en.wikipedia.org/wiki/City_Avenue "City Avenue"), the western city limits of [Philadelphia](https://en.wikipedia.org/wiki/Philadelphia "Philadelphia"), at the end of which a short [overlap](https://en.wikipedia.org/wiki/Concurrency_\(road\) "Concurrency (road)") with [I-76](https://en.wikipedia.org/wiki/Interstate_76_\(Ohio%E2%80%93New_Jersey\) "Interstate 76 (OhioāNew Jersey)") leads to the [Roosevelt Expressway](https://en.wikipedia.org/wiki/Roosevelt_Expressway_\(Philadelphia\) "Roosevelt Expressway (Philadelphia)") and then the 12-lane [Roosevelt Boulevard](https://en.wikipedia.org/wiki/Roosevelt_Boulevard_\(Philadelphia\) "Roosevelt Boulevard (Philadelphia)") partly overlapping [US 13](https://en.wikipedia.org/wiki/U.S._Route_13 "U.S. Route 13"). US 1 again becomes a freeway after leaving the city, bypassing [Penndel](https://en.wikipedia.org/wiki/Penndel,_Pennsylvania "Penndel, Pennsylvania") and [Morrisville](https://en.wikipedia.org/wiki/Morrisville,_Bucks_County,_Pennsylvania "Morrisville, Bucks County, Pennsylvania") and crossing the [Delaware River](https://en.wikipedia.org/wiki/Delaware_River "Delaware River") into [New Jersey](https://en.wikipedia.org/wiki/New_Jersey "New Jersey") on the [TrentonāMorrisville Toll Bridge](https://en.wikipedia.org/wiki/Trenton%E2%80%93Morrisville_Toll_Bridge "TrentonāMorrisville Toll Bridge").[\[6\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-maps-6)
After crossing into [New Jersey](https://en.wikipedia.org/wiki/New_Jersey "New Jersey") in Mercer County, US 1 continues on the [Trenton Freeway](https://en.wikipedia.org/wiki/Trenton_Freeway "Trenton Freeway") through the state capital of [Trenton](https://en.wikipedia.org/wiki/Trenton,_New_Jersey "Trenton, New Jersey") and [Lawrence Township](https://en.wikipedia.org/wiki/Lawrence_Township,_Mercer_County,_New_Jersey "Lawrence Township, Mercer County, New Jersey") as a four-lane freeway. As the freeway ends, the four-lane [divided highway](https://en.wikipedia.org/wiki/Divided_highway "Divided highway") upgrades to six lanes north of [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Delaware%E2%80%93Pennsylvania\) "Interstate 295 (DelawareāPennsylvania)") passing through the [Penns Neck](https://en.wikipedia.org/wiki/Penns_Neck,_New_Jersey "Penns Neck, New Jersey") section of [West Windsor](https://en.wikipedia.org/wiki/West_Windsor,_New_Jersey "West Windsor, New Jersey"). Through Penns Neck is a series of traffic signals. The [New Jersey Department of Transportation](https://en.wikipedia.org/wiki/New_Jersey_Department_of_Transportation "New Jersey Department of Transportation") (NJDOT) is looking to revamp the highway through this area by replacing traffic signals with grade separations. The highway enters [Middlesex County](https://en.wikipedia.org/wiki/Middlesex_County,_New_Jersey "Middlesex County, New Jersey") through [Plainsboro Township](https://en.wikipedia.org/wiki/Plainsboro_Township,_New_Jersey "Plainsboro Township, New Jersey") and [South Brunswick](https://en.wikipedia.org/wiki/South_Brunswick,_New_Jersey "South Brunswick, New Jersey"), where the highest point resides.[\[14\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-14) By Forrestal Village, the highway downgrades from six to four lanes until after Finnegans Lane in [North Brunswick](https://en.wikipedia.org/wiki/North_Brunswick,_New_Jersey "North Brunswick, New Jersey"). Northward, it continues through [New Brunswick](https://en.wikipedia.org/wiki/New_Brunswick,_New_Jersey "New Brunswick, New Jersey") as a short limited-access highway until the [County Route 529](https://en.wikipedia.org/wiki/County_Route_529_\(New_Jersey\) "County Route 529 (New Jersey)") (CR 529)/Plainfield Avenue traffic signal in [Edison](https://en.wikipedia.org/wiki/Edison,_New_Jersey "Edison, New Jersey"). Through Edison and [Woodbridge Township](https://en.wikipedia.org/wiki/Woodbridge_Township,_New_Jersey "Woodbridge Township, New Jersey"), US 1 has a mix of boulevard and limited-access segments and continues to do so after the [US 9](https://en.wikipedia.org/wiki/U.S._Route_9_in_New_Jersey "U.S. Route 9 in New Jersey") juncture in the [Avenel](https://en.wikipedia.org/wiki/Avenel,_New_Jersey "Avenel, New Jersey") section of Woodbridge. The [US 1/9](https://en.wikipedia.org/wiki/U.S._Route_1/9 "U.S. Route 1/9") [concurrency](https://en.wikipedia.org/wiki/Concurrency_\(road\) "Concurrency (road)") continues through the rest of the state. The six-lane divided highway remains through [Rahway](https://en.wikipedia.org/wiki/Rahway,_New_Jersey "Rahway, New Jersey") in [Union County](https://en.wikipedia.org/wiki/Union_County,_New_Jersey "Union County, New Jersey") and [Elizabeth](https://en.wikipedia.org/wiki/Elizabeth,_New_Jersey "Elizabeth, New Jersey"), until it reaches [Newark Liberty International Airport](https://en.wikipedia.org/wiki/Newark_Liberty_International_Airport "Newark Liberty International Airport"), where it becomes a dual carriageway freeway around downtown [Newark](https://en.wikipedia.org/wiki/Newark,_New_Jersey "Newark, New Jersey") in [Essex County](https://en.wikipedia.org/wiki/Essex_County,_New_Jersey "Essex County, New Jersey") with a 2ā2ā2ā2 configuration. The historic [Pulaski Skyway](https://en.wikipedia.org/wiki/Pulaski_Skyway "Pulaski Skyway") takes US 1/9 into [Jersey City](https://en.wikipedia.org/wiki/Jersey_City,_New_Jersey "Jersey City, New Jersey"), and the route exits the freeway at the [Tonnele Circle](https://en.wikipedia.org/wiki/Tonnele_Circle "Tonnele Circle") to head north into [Bergen County](https://en.wikipedia.org/wiki/Bergen_County,_New_Jersey "Bergen County, New Jersey"). US 1/9 turns onto [US 46](https://en.wikipedia.org/wiki/U.S._Route_46 "U.S. Route 46") as a limited-access highway, and the three routes run northeast to the [George Washington Bridge Plaza](https://en.wikipedia.org/wiki/George_Washington_Bridge_Plaza "George Washington Bridge Plaza"), where they merge into I-95. US 46 ends in the middle of the bridge, which crosses the [Hudson River](https://en.wikipedia.org/wiki/Hudson_River "Hudson River") into [New York](https://en.wikipedia.org/wiki/New_York_\(state\) "New York (state)"), and [US 9](https://en.wikipedia.org/wiki/U.S._Route_9 "U.S. Route 9") exits just beyond onto [Broadway](https://en.wikipedia.org/wiki/Broadway_\(Manhattan\) "Broadway (Manhattan)") in [Manhattan](https://en.wikipedia.org/wiki/Manhattan "Manhattan"), but US 1 stays with I-95 onto the [Cross Bronx Expressway](https://en.wikipedia.org/wiki/Cross_Bronx_Expressway "Cross Bronx Expressway"), exiting in [the Bronx](https://en.wikipedia.org/wiki/The_Bronx "The Bronx") onto Webster Avenue. Two turns take US 1 via [Fordham Road](https://en.wikipedia.org/wiki/Fordham_Road "Fordham Road") to Boston Road, which it follows northeast out of the city, becoming Boston Post Road in [Westchester County](https://en.wikipedia.org/wiki/Westchester_County,_New_York "Westchester County, New York"), never straying far from I-95. From the Bronx to the state line, it is a local road with two lanes in each direction, except in [Rye](https://en.wikipedia.org/wiki/Rye,_New_York "Rye, New York") where it has a single lane in each direction. As it enters [Greenwich, Connecticut](https://en.wikipedia.org/wiki/Greenwich,_Connecticut "Greenwich, Connecticut"), it continues as a two-lane local road.
In [New England](https://en.wikipedia.org/wiki/New_England "New England"), US 1 generally serves large cities in a side street capacity. In [Connecticut](https://en.wikipedia.org/wiki/Connecticut "Connecticut"), US 1 serves the shore of [Long Island Sound](https://en.wikipedia.org/wiki/Long_Island_Sound "Long Island Sound") parallel to [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95"). Beyond [New Haven](https://en.wikipedia.org/wiki/New_Haven,_Connecticut "New Haven, Connecticut"), the highway travels eastāwest, and some signs in the state indicate this rather than the standard northāsouth. While I-95 in [Rhode Island](https://en.wikipedia.org/wiki/Rhode_Island "Rhode Island") takes a diagonal path to [Providence](https://en.wikipedia.org/wiki/Providence,_Rhode_Island "Providence, Rhode Island"), US 1 continues east along the coast through [Westerly](https://en.wikipedia.org/wiki/Westerly,_Rhode_Island "Westerly, Rhode Island") to [Wakefield-Peacedale](https://en.wikipedia.org/wiki/Wakefield-Peacedale,_Rhode_Island "Wakefield-Peacedale, Rhode Island"), where it turns north and follows [Narragansett Bay](https://en.wikipedia.org/wiki/Narragansett_Bay "Narragansett Bay"). Most of this part is a four-lane [limited-access highway](https://en.wikipedia.org/wiki/Limited-access_highway "Limited-access highway"), providing access to [Route 138](https://en.wikipedia.org/wiki/Rhode_Island_Route_138 "Rhode Island Route 138") toward [Newport](https://en.wikipedia.org/wiki/Newport,_Rhode_Island "Newport, Rhode Island"). After [Route 4](https://en.wikipedia.org/wiki/Rhode_Island_Route_4 "Rhode Island Route 4") splits as a mostly-[freeway](https://en.wikipedia.org/wiki/Freeway "Freeway") connection to I-95, US 1 becomes a lower-speed surface road, passing through [Warwick](https://en.wikipedia.org/wiki/Warwick,_Rhode_Island "Warwick, Rhode Island"), Providence, and [Pawtucket](https://en.wikipedia.org/wiki/Pawtucket,_Rhode_Island "Pawtucket, Rhode Island"). The route parallels I-95 again through Providence and Pawtucket and into [Massachusetts](https://en.wikipedia.org/wiki/Massachusetts "Massachusetts"), traveling toward [Boston](https://en.wikipedia.org/wiki/Boston "Boston") as a four-lane road. When it reaches [Dedham](https://en.wikipedia.org/wiki/Dedham,_Massachusetts "Dedham, Massachusetts"), US 1 turns east and becomes a freeway through metropolitan Boston, [concurrent](https://en.wikipedia.org/wiki/Concurrency_\(road\) "Concurrency (road)") with I-95 and [I-93](https://en.wikipedia.org/wiki/Interstate_93 "Interstate 93") east to [Braintree](https://en.wikipedia.org/wiki/Braintree,_Massachusetts "Braintree, Massachusetts") and north through [Downtown Boston](https://en.wikipedia.org/wiki/Downtown_Boston "Downtown Boston"). The [Tobin Bridge](https://en.wikipedia.org/wiki/Tobin_Bridge "Tobin Bridge") and [Northeast Expressway](https://en.wikipedia.org/wiki/Northeast_Expressway_\(Boston\) "Northeast Expressway (Boston)") take US 1 out of Boston, after which it again parallels I-95 as a high-speed surface road through [Newburyport](https://en.wikipedia.org/wiki/Newburyport,_Massachusetts "Newburyport, Massachusetts") to the New Hampshire state line.[\[6\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-maps-6)
The short portion of US 1 in [New Hampshire](https://en.wikipedia.org/wiki/New_Hampshire "New Hampshire") follows the historic Lafayette Road, staying close to I-95, passing through [Portsmouth](https://en.wikipedia.org/wiki/Portsmouth,_New_Hampshire "Portsmouth, New Hampshire") before crossing the [Piscataqua River](https://en.wikipedia.org/wiki/Piscataqua_River "Piscataqua River") on [Memorial Bridge](https://en.wikipedia.org/wiki/Memorial_Bridge_\(Portsmouth,_New_Hampshire\) "Memorial Bridge (Portsmouth, New Hampshire)"), which was demolished and replaced during 2012ā2013, leaving a temporary gap in US 1. During construction, drivers had to detour to one of two other nearby bridges carrying [US 1 Bypass](https://en.wikipedia.org/wiki/U.S._Route_1_Bypass_\(Portsmouth,_New_Hampshire%E2%80%93Kittery,_Maine\) "U.S. Route 1 Bypass (Portsmouth, New HampshireāKittery, Maine)") or I-95. Within [Maine](https://en.wikipedia.org/wiki/Maine "Maine"), US 1 begins as a parallel route to I-95 near the [Atlantic Ocean](https://en.wikipedia.org/wiki/Atlantic_Ocean "Atlantic Ocean"). At [Portland](https://en.wikipedia.org/wiki/Portland,_Maine "Portland, Maine"), I-95 splits off to the north, and [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Maine\) "Interstate 295 (Maine)") heads northeast paralleling US 1 to [Brunswick](https://en.wikipedia.org/wiki/Brunswick,_Maine "Brunswick, Maine"). There US 1 turns east as a mostly two-lane road along the coast to [Calais](https://en.wikipedia.org/wiki/Calais,_Maine "Calais, Maine"); much of this portion is advertised as the "Coastal Route" on signs. North from Calais, US 1 follows the [Canadian border](https://en.wikipedia.org/wiki/Canada%E2%80%93United_States_border "CanadaāUnited States border"), crossing I-95 in Houlton and eventually turning west and southwest to its "north" end at the [ClairāFort Kent Bridge](https://en.wikipedia.org/wiki/Clair%E2%80%93Fort_Kent_Bridge "ClairāFort Kent Bridge") in [Fort Kent](https://en.wikipedia.org/wiki/Fort_Kent,_Maine "Fort Kent, Maine"). On the [New Brunswick](https://en.wikipedia.org/wiki/New_Brunswick "New Brunswick") (Canada) side of the bridge, [Route 205](https://en.wikipedia.org/wiki/New_Brunswick_Route_205 "New Brunswick Route 205") extends south and west to [Saint-FranƧois-de-Madawaska](https://en.wikipedia.org/wiki/Saint-Fran%C3%A7ois-de-Madawaska "Saint-FranƧois-de-Madawaska"), while the short [Route 161](https://en.wikipedia.org/wiki/New_Brunswick_Route_161 "New Brunswick Route 161") extends north to [Route 120](https://en.wikipedia.org/wiki/New_Brunswick_Route_120 "New Brunswick Route 120"), a secondary eastāwest route from [Edmundston](https://en.wikipedia.org/wiki/Edmundston "Edmundston"), [New Brunswick](https://en.wikipedia.org/wiki/New_Brunswick "New Brunswick"), west to [Quebec Route 289](https://en.wikipedia.org/wiki/Quebec_Route_289 "Quebec Route 289") toward [Saint-Alexandre-de-Kamouraska](https://en.wikipedia.org/wiki/Saint-Alexandre-de-Kamouraska "Saint-Alexandre-de-Kamouraska"), [Quebec](https://en.wikipedia.org/wiki/Quebec "Quebec").[\[6\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-maps-6)
[](https://en.wikipedia.org/wiki/File:Photograph_of_a_road_sign_along_the_highway_in_Key_West,_Florida,_announcing_the_beginning_of_U.S._Route_1_to_Fort..._-_NARA_-_200542.jpg)
The beginning of US 1 as of March 1951
The direct predecessor to US 1 was the **Atlantic Highway**, an [auto trail](https://en.wikipedia.org/wiki/Auto_trail "Auto trail") established in 1911 as the QuebecāMiami International Highway. In 1915, it was renamed the Atlantic Highway,[\[15\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-15) and the northern terminus was changed to [Calais, Maine](https://en.wikipedia.org/wiki/Calais,_Maine "Calais, Maine").[\[16\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-16) Due to the overlapping of auto trail designations, portions of the route had other names that remain in common use, such as the [Boston Post Road](https://en.wikipedia.org/wiki/Boston_Post_Road "Boston Post Road") between [Boston](https://en.wikipedia.org/wiki/Boston "Boston") and [New York City](https://en.wikipedia.org/wiki/New_York_City "New York City"), the [Lincoln Highway](https://en.wikipedia.org/wiki/Lincoln_Highway "Lincoln Highway") between New York and [Philadelphia](https://en.wikipedia.org/wiki/Philadelphia "Philadelphia"), the Baltimore Pike between Philadelphia and [Baltimore](https://en.wikipedia.org/wiki/Baltimore "Baltimore"), and the [Dixie Highway](https://en.wikipedia.org/wiki/Dixie_Highway "Dixie Highway") in and south of eastern [Georgia](https://en.wikipedia.org/wiki/Georgia_\(U.S._state\) "Georgia (U.S. state)"). North of [Augusta, Georgia](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia"), the highway generally followed the [Atlantic Seaboard Fall Line](https://en.wikipedia.org/wiki/Atlantic_Seaboard_Fall_Line "Atlantic Seaboard Fall Line"), rather than a more easterly route through the [swamps](https://en.wikipedia.org/wiki/Swamp "Swamp") of the [Atlantic Plain](https://en.wikipedia.org/wiki/Atlantic_Plain "Atlantic Plain").[\[17\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-17) [Brickell Avenue](https://en.wikipedia.org/wiki/Brickell_Avenue "Brickell Avenue") is the name given to the two-mile (3.2 km) stretch of US 1 in [Miami, Florida](https://en.wikipedia.org/wiki/Miami,_Florida "Miami, Florida"), just south of the [Miami River](https://en.wikipedia.org/wiki/Miami_River_\(Florida\) "Miami River (Florida)") until the [Rickenbacker Causeway](https://en.wikipedia.org/wiki/Rickenbacker_Causeway "Rickenbacker Causeway").
When the [New England road marking system](https://en.wikipedia.org/wiki/New_England_road_marking_system "New England road marking system") was established in 1922, the Atlantic Highway within [New England](https://en.wikipedia.org/wiki/New_England "New England") was signed as [Route 1](https://en.wikipedia.org/wiki/New_England_road_marking_system#Route_1 "New England road marking system"), with a [Route 24](https://en.wikipedia.org/wiki/New_England_road_marking_system#Route_24 "New England road marking system") continuing north to [Madawaska](https://en.wikipedia.org/wiki/Madawaska,_Maine "Madawaska, Maine");[\[18\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-18) [New York](https://en.wikipedia.org/wiki/New_York_\(state\) "New York (state)") extended the number to [New York City](https://en.wikipedia.org/wiki/New_York_City "New York City") in 1924 with its own [Route 1](https://en.wikipedia.org/wiki/New_York_State_Route_1 "New York State Route 1").[\[19\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-19) Other states adopted their own systems of numbering; by 1926 all states but [Maryland](https://en.wikipedia.org/wiki/Maryland "Maryland") had signed the Atlantic Highway as various routes, usually changing numbers at the state line. In 1925, the [Joint Board on Interstate Highways](https://en.wikipedia.org/wiki/Joint_Board_on_Interstate_Highways "Joint Board on Interstate Highways") created a preliminary list of interstate routes to be marked by the states,[\[20\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-FHWA_planning-20) including US 1 along the Atlantic. This highway began at [Fort Kent, Maine](https://en.wikipedia.org/wiki/Fort_Kent,_Maine "Fort Kent, Maine"), and followed the existing Route 24 to [Houlton](https://en.wikipedia.org/wiki/Houlton,_Maine "Houlton, Maine"), as well as [Route 15](https://en.wikipedia.org/wiki/New_England_road_marking_system#Route_15 "New England road marking system") to [Bangor](https://en.wikipedia.org/wiki/Bangor,_Maine "Bangor, Maine"), beyond which it generally followed the Atlantic Highway to Miami.[\[21\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-1925_list-21) In all states but [Georgia](https://en.wikipedia.org/wiki/Georgia_\(U.S._state\) "Georgia (U.S. state)") that had numbered their [state highways](https://en.wikipedia.org/wiki/State_highway "State highway"), Route 1 followed only one or two numbers across the state.[\[22\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-1926routes-22) The only significant deviation from the Atlantic Highway was between [Augusta, Georgia](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia"), and [Jacksonville, Florida](https://en.wikipedia.org/wiki/Jacksonville,_Florida "Jacksonville, Florida"), where Route 1 was assigned to a more inland route, rather than following the Atlantic Highway via [Savannah](https://en.wikipedia.org/wiki/Savannah,_Georgia "Savannah, Georgia").[\[4\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-1926_Rand_McNally-4)
One of the many changes made to the system before the final numbering was adopted in 1926 involved US 1 in Maine. The 1925 plan had assigned US 1 to the shorter inland route (Route 15) between Houlton and Bangor, while [US 2](https://en.wikipedia.org/wiki/U.S._Route_2 "U.S. Route 2") followed the longer coastal route via Calais. In the system as adopted in 1926, US 2 instead took the inland route, while US 1 followed the coast, absorbing all of the former Route 24 and Route 1 in New England.[\[23\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-1926_map-23)[\[24\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-1927_log-24) Many local and regional relocations, often onto parallel [superhighways](https://en.wikipedia.org/wiki/Highway "Highway"), were made in the early days of US 1; this included the four-lane divided [Route 25](https://en.wikipedia.org/wiki/New_Jersey_Route_25 "New Jersey Route 25") in [New Jersey](https://en.wikipedia.org/wiki/New_Jersey "New Jersey"), completed in 1932 with the opening of the [Pulaski Skyway](https://en.wikipedia.org/wiki/Pulaski_Skyway "Pulaski Skyway"),[\[25\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-25) and a bypass of Bangor involving the [WaldoāHancock Bridge](https://en.wikipedia.org/wiki/Waldo%E2%80%93Hancock_Bridge "WaldoāHancock Bridge"), opened in 1931.[\[26\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-26) The [Overseas Highway](https://en.wikipedia.org/wiki/Overseas_Highway "Overseas Highway") from Miami to [Key West](https://en.wikipedia.org/wiki/Key_West "Key West") was completed in 1938 and soon became a southern extension of US 1.[\[27\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-27)
With the construction of the [Interstate Highway System](https://en.wikipedia.org/wiki/Interstate_Highway_System "Interstate Highway System") in and after the 1950s, much of US 1 from Houlton to Miami was bypassed by [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95"). Between Houlton and [Brunswick, Maine](https://en.wikipedia.org/wiki/Brunswick,_Maine "Brunswick, Maine"), I-95 took a shorter inland route, much of it paralleling US 2 on the alignment proposed for US 1 in 1925. Between [Philadelphia](https://en.wikipedia.org/wiki/Philadelphia "Philadelphia") and [Baltimore](https://en.wikipedia.org/wiki/Baltimore "Baltimore"), I-95 leaves US 1 to pass through [Wilmington](https://en.wikipedia.org/wiki/Wilmington,_Delaware "Wilmington, Delaware"). Most notably, I-95 and US 1 follow different corridors between [Petersburg, Virginia](https://en.wikipedia.org/wiki/Petersburg,_Virginia "Petersburg, Virginia"), and [Jacksonville, Florida](https://en.wikipedia.org/wiki/Jacksonville,_Florida "Jacksonville, Florida"); while US 1 followed the Atlantic Seaboard Fall Line west of the coastal plain, I-95 takes a more direct route through the plain and its swamps. Although some of this part of US 1 was followed by other Interstatesā[I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") between Petersburg and [Henderson, North Carolina](https://en.wikipedia.org/wiki/Henderson,_North_Carolina "Henderson, North Carolina"), and [I-20](https://en.wikipedia.org/wiki/Interstate_20 "Interstate 20") between [Camden, South Carolina](https://en.wikipedia.org/wiki/Camden,_South_Carolina "Camden, South Carolina"), and [Augusta, Georgia](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia")āthe rest remains an independent route with four lanes in many places. By the late 1970s, most of I-95 had been completed, replacing US 1 as the main corridor of the east coast and relegating most of it to local road status.[\[28\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-28)
## Major intersections
\[[edit](https://en.wikipedia.org/w/index.php?title=U.S._Route_1&action=edit§ion=8 "Edit section: Major intersections")\]
Florida
Whitehead Street and Fleming Street in [Key West](https://en.wikipedia.org/wiki/Key_West,_Florida "Key West, Florida")
 [Florida's Turnpike Extension](https://en.wikipedia.org/wiki/Homestead_Extension_of_Florida%27s_Turnpike "Homestead Extension of Florida's Turnpike") in [Florida City](https://en.wikipedia.org/wiki/Florida_City,_Florida "Florida City, Florida")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Miami](https://en.wikipedia.org/wiki/Miami "Miami")
 [US 41](https://en.wikipedia.org/wiki/U.S._Route_41 "U.S. Route 41") in Miami
 [I-395](https://en.wikipedia.org/wiki/Interstate_395_\(Florida\) "Interstate 395 (Florida)") in Miami
 [US 27](https://en.wikipedia.org/wiki/U.S._Route_27_\(Florida\) "U.S. Route 27 (Florida)") in Miami
 [I-195](https://en.wikipedia.org/wiki/Interstate_195_\(Florida\) "Interstate 195 (Florida)") in Miami
 [I-595](https://en.wikipedia.org/wiki/Interstate_595_\(Florida\) "Interstate 595 (Florida)") on the [Dania Beach](https://en.wikipedia.org/wiki/Dania_Beach,_Florida "Dania Beach, Florida")ā[Fort Lauderdale, Florida](https://en.wikipedia.org/wiki/Fort_Lauderdale,_Florida "Fort Lauderdale, Florida") city line
 [US 98](https://en.wikipedia.org/wiki/U.S._Route_98 "U.S. Route 98") in [West Palm Beach](https://en.wikipedia.org/wiki/West_Palm_Beach,_Florida "West Palm Beach, Florida")
 [US 192](https://en.wikipedia.org/wiki/U.S._Route_192 "U.S. Route 192") in [Melbourne](https://en.wikipedia.org/wiki/Melbourne,_Florida "Melbourne, Florida")
 [US 92](https://en.wikipedia.org/wiki/U.S._Route_92 "U.S. Route 92") in [Daytona Beach](https://en.wikipedia.org/wiki/Daytona_Beach,_Florida "Daytona Beach, Florida")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Ormond Beach](https://en.wikipedia.org/wiki/Ormond_Beach,_Florida "Ormond Beach, Florida")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") near [Palm Coast](https://en.wikipedia.org/wiki/Palm_Coast,_Florida "Palm Coast, Florida")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Florida\) "Interstate 295 (Florida)") in [Jacksonville](https://en.wikipedia.org/wiki/Jacksonville,_Florida "Jacksonville, Florida")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Jacksonville
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Jacksonville. The highways travel concurrently through the city.
 [US 90](https://en.wikipedia.org/wiki/U.S._Route_90 "U.S. Route 90") in Jacksonville. The highways travel concurrently through the city.
 [US 17](https://en.wikipedia.org/wiki/U.S._Route_17 "U.S. Route 17") in Jacksonville. The highways travel concurrently through the city.
 [US 23](https://en.wikipedia.org/wiki/U.S._Route_23 "U.S. Route 23") in Jacksonville
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Jacksonville
 [US 23](https://en.wikipedia.org/wiki/U.S._Route_23 "U.S. Route 23") in Jacksonville. The highways travel concurrently to north of [Alma, Georgia](https://en.wikipedia.org/wiki/Alma,_Georgia "Alma, Georgia").
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Florida\) "Interstate 295 (Florida)") in Jacksonville
 [US 301](https://en.wikipedia.org/wiki/U.S._Route_301 "U.S. Route 301") in [Callahan](https://en.wikipedia.org/wiki/Callahan,_Florida "Callahan, Florida"). The highways travel concurrently to [Homeland, Georgia](https://en.wikipedia.org/wiki/Homeland,_Georgia "Homeland, Georgia").
Georgia
 [US 82](https://en.wikipedia.org/wiki/U.S._Route_82 "U.S. Route 82") in [Waycross](https://en.wikipedia.org/wiki/Waycross,_Georgia "Waycross, Georgia"). US 1/US 82/SR 520 travels concurrently to west of [Deenwood](https://en.wikipedia.org/wiki/Deenwood,_Georgia "Deenwood, Georgia").
 [US 84](https://en.wikipedia.org/wiki/U.S._Route_84 "U.S. Route 84") in Waycross. The highways travel concurrently through the city.
 [US 341](https://en.wikipedia.org/wiki/U.S._Route_341 "U.S. Route 341") in [Baxley](https://en.wikipedia.org/wiki/Baxley,_Georgia "Baxley, Georgia")
 [US 280](https://en.wikipedia.org/wiki/U.S._Route_280 "U.S. Route 280") in [Lyons](https://en.wikipedia.org/wiki/Lyons,_Georgia "Lyons, Georgia")
 [I-16](https://en.wikipedia.org/wiki/Interstate_16 "Interstate 16") in [Oak Park](https://en.wikipedia.org/wiki/Oak_Park,_Georgia "Oak Park, Georgia")
 [US 80](https://en.wikipedia.org/wiki/U.S._Route_80 "U.S. Route 80") in [Swainsboro](https://en.wikipedia.org/wiki/Swainsboro,_Georgia "Swainsboro, Georgia")
 [US 319](https://en.wikipedia.org/wiki/U.S._Route_319 "U.S. Route 319") in [Wadley](https://en.wikipedia.org/wiki/Wadley,_Georgia "Wadley, Georgia")
 [US 221](https://en.wikipedia.org/wiki/U.S._Route_221 "U.S. Route 221") in [Louisville](https://en.wikipedia.org/wiki/Louisville,_Georgia "Louisville, Georgia"). US 1/US 221 travels concurrently to [Wrens](https://en.wikipedia.org/wiki/Wrens,_Georgia "Wrens, Georgia").
 [I-520](https://en.wikipedia.org/wiki/Interstate_520 "Interstate 520") in [Augusta](https://en.wikipedia.org/wiki/Augusta,_Georgia "Augusta, Georgia")
 [US 78](https://en.wikipedia.org/wiki/U.S._Route_78 "U.S. Route 78") / [US 278](https://en.wikipedia.org/wiki/U.S._Route_278 "U.S. Route 278") in Augusta. US 1/US 78 travels concurrently to [Aiken, South Carolina](https://en.wikipedia.org/wiki/Aiken,_South_Carolina "Aiken, South Carolina"). US 1/US 278 travels concurrently to [Clearwater, South Carolina](https://en.wikipedia.org/wiki/Clearwater,_South_Carolina "Clearwater, South Carolina"). US 1/SR 10 travels concurrently to the [South Carolina](https://en.wikipedia.org/wiki/South_Carolina "South Carolina") state line.
 [US 25](https://en.wikipedia.org/wiki/U.S._Route_25 "U.S. Route 25") in Augusta. US 1/US 25 travels concurrently to [North Augusta, South Carolina](https://en.wikipedia.org/wiki/North_Augusta,_South_Carolina "North Augusta, South Carolina"). US 1/SR 121 travels concurrently to the South Carolina state line.
South Carolina
 [I-520](https://en.wikipedia.org/wiki/Interstate_520 "Interstate 520") in [North Augusta](https://en.wikipedia.org/wiki/North_Augusta,_South_Carolina "North Augusta, South Carolina")
 [I-20](https://en.wikipedia.org/wiki/Interstate_20 "Interstate 20") north-northeast of Aiken
 [US 178](https://en.wikipedia.org/wiki/U.S._Route_178 "U.S. Route 178") in [Batesburg-Leesville](https://en.wikipedia.org/wiki/Batesburg-Leesville,_South_Carolina "Batesburg-Leesville, South Carolina")
 [US 378](https://en.wikipedia.org/wiki/U.S._Route_378 "U.S. Route 378") in [Lexington](https://en.wikipedia.org/wiki/Lexington,_South_Carolina "Lexington, South Carolina"). The highways travel concurrently through the city.
 [I-20](https://en.wikipedia.org/wiki/Interstate_20 "Interstate 20") east of Lexington
 [I-26](https://en.wikipedia.org/wiki/Interstate_26 "Interstate 26") in [Oak Grove](https://en.wikipedia.org/wiki/Oak_Grove,_South_Carolina "Oak Grove, South Carolina")
 [US 378](https://en.wikipedia.org/wiki/U.S._Route_378 "U.S. Route 378") in [West Columbia](https://en.wikipedia.org/wiki/West_Columbia,_South_Carolina "West Columbia, South Carolina"). The highways travel concurrently to [Columbia](https://en.wikipedia.org/wiki/Columbia,_South_Carolina "Columbia, South Carolina").
 [US 21](https://en.wikipedia.org/wiki/U.S._Route_21 "U.S. Route 21") / [US 176](https://en.wikipedia.org/wiki/U.S._Route_176 "U.S. Route 176") / [US 321](https://en.wikipedia.org/wiki/U.S._Route_321 "U.S. Route 321") in [Columbia](https://en.wikipedia.org/wiki/Columbia,_South_Carolina "Columbia, South Carolina")
 [US 76](https://en.wikipedia.org/wiki/U.S._Route_76 "U.S. Route 76") in Columbia. The highways travel concurrently through the city.
 [I-20](https://en.wikipedia.org/wiki/Interstate_20 "Interstate 20") in [Dentsville](https://en.wikipedia.org/wiki/Dentsville,_South_Carolina "Dentsville, South Carolina")
 [I-77](https://en.wikipedia.org/wiki/Interstate_77 "Interstate 77") in Dentsville
 [US 601](https://en.wikipedia.org/wiki/U.S._Route_601 "U.S. Route 601") in [Lugoff](https://en.wikipedia.org/wiki/Lugoff,_South_Carolina "Lugoff, South Carolina"). The highways travel concurrently to [Camden](https://en.wikipedia.org/wiki/Camden,_South_Carolina "Camden, South Carolina").
 [US 521](https://en.wikipedia.org/wiki/U.S._Route_521 "U.S. Route 521") / [US 601](https://en.wikipedia.org/wiki/U.S._Route_601 "U.S. Route 601") in [Camden](https://en.wikipedia.org/wiki/Camden,_South_Carolina "Camden, South Carolina")
 [US 52](https://en.wikipedia.org/wiki/U.S._Route_52 "U.S. Route 52") south-southwest of [Cheraw](https://en.wikipedia.org/wiki/Cheraw,_South_Carolina "Cheraw, South Carolina"). The highways travel concurrently to Cheraw.
North Carolina
 [Future I-74](https://en.wikipedia.org/wiki/Interstate_74_Future "Interstate 74 Future") / [US 74](https://en.wikipedia.org/wiki/U.S._Route_74 "U.S. Route 74") west-southwest of [East Rockingham](https://en.wikipedia.org/wiki/East_Rockingham,_North_Carolina "East Rockingham, North Carolina")
 [US 220](https://en.wikipedia.org/wiki/U.S._Route_220 "U.S. Route 220") in [Rockingham](https://en.wikipedia.org/wiki/Rockingham,_North_Carolina "Rockingham, North Carolina")
 [US 15](https://en.wikipedia.org/wiki/U.S._Route_15 "U.S. Route 15") / [US 501](https://en.wikipedia.org/wiki/U.S._Route_501 "U.S. Route 501") in [Aberdeen](https://en.wikipedia.org/wiki/Aberdeen,_North_Carolina "Aberdeen, North Carolina"). The highways travel concurrently through the city.
 [US 15](https://en.wikipedia.org/wiki/U.S._Route_15 "U.S. Route 15") / [US 501](https://en.wikipedia.org/wiki/U.S._Route_501 "U.S. Route 501") north-northeast of [Cameron](https://en.wikipedia.org/wiki/Cameron,_North_Carolina "Cameron, North Carolina"). The highways travel concurrently to [Sanford](https://en.wikipedia.org/wiki/Sanford,_North_Carolina "Sanford, North Carolina").
 [US 421](https://en.wikipedia.org/wiki/U.S._Route_421 "U.S. Route 421") in [Sanford](https://en.wikipedia.org/wiki/Sanford,_North_Carolina "Sanford, North Carolina")
 [US 64](https://en.wikipedia.org/wiki/U.S._Route_64 "U.S. Route 64") in [Cary](https://en.wikipedia.org/wiki/Cary,_North_Carolina "Cary, North Carolina"). The highways travel concurrently to [Raleigh](https://en.wikipedia.org/wiki/Raleigh,_North_Carolina "Raleigh, North Carolina").
 [I-40](https://en.wikipedia.org/wiki/Interstate_40 "Interstate 40") / [I-440](https://en.wikipedia.org/wiki/Interstate_440_\(North_Carolina\) "Interstate 440 (North Carolina)") / [US 64](https://en.wikipedia.org/wiki/U.S._Route_64 "U.S. Route 64") in [Raleigh](https://en.wikipedia.org/wiki/Raleigh,_North_Carolina "Raleigh, North Carolina"). I-440/US 1 travels concurrently through the city.
 [US 70](https://en.wikipedia.org/wiki/U.S._Route_70 "U.S. Route 70") in Raleigh
 [I-440](https://en.wikipedia.org/wiki/Interstate_440_\(North_Carolina\) "Interstate 440 (North Carolina)") / [US 401](https://en.wikipedia.org/wiki/U.S._Route_401 "U.S. Route 401") in Raleigh. US 1/US 401 travels concurrently through the city.
 [I-540](https://en.wikipedia.org/wiki/Interstate_540_\(North_Carolina\) "Interstate 540 (North Carolina)") near Raleigh
 [US 158](https://en.wikipedia.org/wiki/U.S._Route_158 "U.S. Route 158") northeast of [Henderson](https://en.wikipedia.org/wiki/Henderson,_North_Carolina "Henderson, North Carolina"). The highways travel concurrently to [Norlina](https://en.wikipedia.org/wiki/Norlina,_North_Carolina "Norlina, North Carolina").
 [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") southwest of [Middleburg](https://en.wikipedia.org/wiki/Middleburg,_North_Carolina "Middleburg, North Carolina")
 [US 158](https://en.wikipedia.org/wiki/U.S._Route_158 "U.S. Route 158") / [US 401](https://en.wikipedia.org/wiki/U.S._Route_401 "U.S. Route 401") in Middleburg. US 1/US 401 travels concurrently to north-northwest of [Wise](https://en.wikipedia.org/wiki/Wise,_North_Carolina "Wise, North Carolina").
 [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") / [US 401](https://en.wikipedia.org/wiki/U.S._Route_401 "U.S. Route 401") north-northwest of [Wise](https://en.wikipedia.org/wiki/Wise,_North_Carolina "Wise, North Carolina")
Virginia
 [US 58](https://en.wikipedia.org/wiki/U.S._Route_58 "U.S. Route 58") southwest of [South Hill](https://en.wikipedia.org/wiki/South_Hill,_Virginia "South Hill, Virginia"). The highways travel concurrently to just southwest of the city.
 [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") in South Hill
 [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") south of [Alberta](https://en.wikipedia.org/wiki/Alberta,_Virginia "Alberta, Virginia")
 [I-85](https://en.wikipedia.org/wiki/Interstate_85 "Interstate 85") / [US 460](https://en.wikipedia.org/wiki/U.S._Route_460 "U.S. Route 460") southwest of [Petersburg](https://en.wikipedia.org/wiki/Petersburg,_Virginia "Petersburg, Virginia"). US 1/US 460 Bus. travels concurrently to Petersburg.
 [US 301](https://en.wikipedia.org/wiki/U.S._Route_301 "U.S. Route 301") in Petersburg. The highways travel concurrently to [Richmond](https://en.wikipedia.org/wiki/Richmond,_Virginia "Richmond, Virginia").
 [US 360](https://en.wikipedia.org/wiki/U.S._Route_360 "U.S. Route 360") in [Richmond](https://en.wikipedia.org/wiki/Richmond,_Virginia "Richmond, Virginia")
 [US 60](https://en.wikipedia.org/wiki/U.S._Route_60 "U.S. Route 60") in Richmond
 [US 33](https://en.wikipedia.org/wiki/U.S._Route_33 "U.S. Route 33") / [US 250](https://en.wikipedia.org/wiki/U.S._Route_250 "U.S. Route 250") in Richmond
 [I-64](https://en.wikipedia.org/wiki/Interstate_64 "Interstate 64") / [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Richmond
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Lakeside](https://en.wikipedia.org/wiki/Lakeside,_Virginia "Lakeside, Virginia")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Virginia\) "Interstate 295 (Virginia)") in [Glen Allen](https://en.wikipedia.org/wiki/Glen_Allen,_Virginia "Glen Allen, Virginia")
 [US 17](https://en.wikipedia.org/wiki/U.S._Route_17 "U.S. Route 17") east-northeast of [Spotsylvania](https://en.wikipedia.org/wiki/Spotsylvania,_Virginia "Spotsylvania, Virginia"). The highways travel concurrently to south of [Fredericksburg](https://en.wikipedia.org/wiki/Fredericksburg,_Virginia "Fredericksburg, Virginia").
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") / [US 17](https://en.wikipedia.org/wiki/U.S._Route_17 "U.S. Route 17") south of [Fredericksburg](https://en.wikipedia.org/wiki/Fredericksburg,_Virginia "Fredericksburg, Virginia")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Lorton](https://en.wikipedia.org/wiki/Lorton,_Virginia "Lorton, Virginia")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") / [I-495](https://en.wikipedia.org/wiki/Interstate_495_\(Capital_Beltway\) "Interstate 495 (Capital Beltway)") in [Alexandria](https://en.wikipedia.org/wiki/Alexandria,_Virginia "Alexandria, Virginia")
 [I-395](https://en.wikipedia.org/wiki/Interstate_395_\(District_of_Columbia%E2%80%93Virginia\) "Interstate 395 (District of ColumbiaāVirginia)") in [Arlington](https://en.wikipedia.org/wiki/Arlington_County,_Virginia "Arlington County, Virginia"). The highways travel concurrently to [Washington, D.C.](https://en.wikipedia.org/wiki/Washington,_D.C. "Washington, D.C.")
District of Columbia
 [US 50](https://en.wikipedia.org/wiki/U.S._Route_50 "U.S. Route 50") in [Washington](https://en.wikipedia.org/wiki/Washington,_D.C. "Washington, D.C."). The highways travel concurrently through part of the city.
 [US 29](https://en.wikipedia.org/wiki/U.S._Route_29 "U.S. Route 29") in [Washington](https://en.wikipedia.org/wiki/Washington,_D.C. "Washington, D.C."). The two highways bump into each other at the intersection of 6th Street NW and [Rhode Island Avenue NW](https://en.wikipedia.org/wiki/Rhode_Island_Avenue_NW "Rhode Island Avenue NW").
Maryland
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") / [I-495](https://en.wikipedia.org/wiki/Interstate_495_\(Capital_Beltway\) "Interstate 495 (Capital Beltway)") in [College Park](https://en.wikipedia.org/wiki/College_Park,_Maryland "College Park, Maryland")
 [I-895](https://en.wikipedia.org/wiki/Interstate_895_\(Maryland\) "Interstate 895 (Maryland)") in [Elkridge](https://en.wikipedia.org/wiki/Elkridge,_Maryland "Elkridge, Maryland")
 [I-195](https://en.wikipedia.org/wiki/Interstate_195_\(Maryland\) "Interstate 195 (Maryland)") in [Arbutus](https://en.wikipedia.org/wiki/Arbutus,_Maryland "Arbutus, Maryland")
 [US 40](https://en.wikipedia.org/wiki/U.S._Route_40 "U.S. Route 40") in [Baltimore](https://en.wikipedia.org/wiki/Baltimore "Baltimore")
 [I-83](https://en.wikipedia.org/wiki/Interstate_83 "Interstate 83") in Baltimore
 [I-695](https://en.wikipedia.org/wiki/Interstate_695_\(Maryland\) "Interstate 695 (Maryland)") in [Overlea](https://en.wikipedia.org/wiki/Overlea,_Maryland "Overlea, Maryland")
 [US 222](https://en.wikipedia.org/wiki/U.S._Route_222 "U.S. Route 222") in [Conowingo](https://en.wikipedia.org/wiki/Conowingo,_Maryland "Conowingo, Maryland")
Pennsylvania
 [US 202](https://en.wikipedia.org/wiki/U.S._Route_202 "U.S. Route 202") / [US 322](https://en.wikipedia.org/wiki/U.S._Route_322 "U.S. Route 322") in [Concordville](https://en.wikipedia.org/wiki/Concordville,_Pennsylvania "Concordville, Pennsylvania"). US 1/US 322 travels concurrently through the community.
 [I-476](https://en.wikipedia.org/wiki/Interstate_476 "Interstate 476") in [Marple Township](https://en.wikipedia.org/wiki/Marple_Township,_Pennsylvania "Marple Township, Pennsylvania")
 [US 30](https://en.wikipedia.org/wiki/U.S._Route_30 "U.S. Route 30") on the [Wynnewood](https://en.wikipedia.org/wiki/Wynnewood,_Pennsylvania "Wynnewood, Pennsylvania")ā[Philadelphia](https://en.wikipedia.org/wiki/Philadelphia "Philadelphia") city line
 [I-76](https://en.wikipedia.org/wiki/Interstate_76_\(Ohio%E2%80%93New_Jersey\) "Interstate 76 (OhioāNew Jersey)") on the [Bala Cynwyd](https://en.wikipedia.org/wiki/Bala_Cynwyd,_Pennsylvania "Bala Cynwyd, Pennsylvania")āPhiladelphia city line. The highways travel concurrently into Philadelphia proper.
 [US 13](https://en.wikipedia.org/wiki/U.S._Route_13 "U.S. Route 13") in Philadelphia. The highways travel concurrently through part of the city.
 [I-276](https://en.wikipedia.org/wiki/Interstate_276 "Interstate 276") in [Bensalem Township](https://en.wikipedia.org/wiki/Bensalem_Township,_Pennsylvania "Bensalem Township, Pennsylvania")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Delaware%E2%80%93Pennsylvania\) "Interstate 295 (DelawareāPennsylvania)") in [Woodbourne](https://en.wikipedia.org/wiki/Woodbourne,_Pennsylvania "Woodbourne, Pennsylvania")
 [US 13](https://en.wikipedia.org/wiki/U.S._Route_13 "U.S. Route 13") southwest of [Morrisville](https://en.wikipedia.org/wiki/Morrisville,_Bucks_County,_Pennsylvania "Morrisville, Bucks County, Pennsylvania")
New Jersey
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Delaware%E2%80%93Pennsylvania\) "Interstate 295 (DelawareāPennsylvania)") in [Lawrence Township](https://en.wikipedia.org/wiki/Lawrence_Township,_Mercer_County,_New_Jersey "Lawrence Township, Mercer County, New Jersey")
 [US 130](https://en.wikipedia.org/wiki/U.S._Route_130 "U.S. Route 130") in [North Brunswick](https://en.wikipedia.org/wiki/North_Brunswick,_New_Jersey "North Brunswick, New Jersey")
 [I-287](https://en.wikipedia.org/wiki/Interstate_287 "Interstate 287") on the [Edison](https://en.wikipedia.org/wiki/Edison,_New_Jersey "Edison, New Jersey")ā[Metuchen](https://en.wikipedia.org/wiki/Metuchen,_New_Jersey "Metuchen, New Jersey") city line
 [US 9](https://en.wikipedia.org/wiki/U.S._Route_9 "U.S. Route 9") in Woodbridge Township. The highways travel concurrently to [New York City](https://en.wikipedia.org/wiki/New_York_City "New York City").
 [I-278](https://en.wikipedia.org/wiki/Interstate_278 "Interstate 278") in [Linden](https://en.wikipedia.org/wiki/Linden,_New_Jersey "Linden, New Jersey")
 [I-78](https://en.wikipedia.org/wiki/Interstate_78 "Interstate 78") / [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Newark](https://en.wikipedia.org/wiki/Newark,_New_Jersey "Newark, New Jersey")
 [US 22](https://en.wikipedia.org/wiki/U.S._Route_22 "U.S. Route 22") in Newark
 [I-78](https://en.wikipedia.org/wiki/Interstate_78 "Interstate 78") / [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Newark
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Newark
 [US 46](https://en.wikipedia.org/wiki/U.S._Route_46 "U.S. Route 46") in [Palisades Park](https://en.wikipedia.org/wiki/Palisades_Park,_New_Jersey "Palisades Park, New Jersey"). The highways travel concurrently to the [New Jersey](https://en.wikipedia.org/wiki/New_Jersey "New Jersey")\-[New York](https://en.wikipedia.org/wiki/New_York_\(state\) "New York (state)") state line at the [George Washington Bridge](https://en.wikipedia.org/wiki/George_Washington_Bridge "George Washington Bridge").
 [US 9W](https://en.wikipedia.org/wiki/U.S._Route_9W "U.S. Route 9W") in [Fort Lee](https://en.wikipedia.org/wiki/Fort_Lee,_New_Jersey "Fort Lee, New Jersey")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Fort Lee. The highways travel concurrently to [The Bronx](https://en.wikipedia.org/wiki/The_Bronx "The Bronx"), [New York City](https://en.wikipedia.org/wiki/New_York_City "New York City").
 [US 46](https://en.wikipedia.org/wiki/U.S._Route_46 "U.S. Route 46") at the New JerseyāNew York state line
New York
 [US 9](https://en.wikipedia.org/wiki/U.S._Route_9 "U.S. Route 9") in [Manhattan](https://en.wikipedia.org/wiki/Manhattan "Manhattan"), [New York City](https://en.wikipedia.org/wiki/New_York_City "New York City")
 [I-87](https://en.wikipedia.org/wiki/Interstate_87_\(New_York\) "Interstate 87 (New York)") in [The Bronx](https://en.wikipedia.org/wiki/The_Bronx "The Bronx"), New York City
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in The Bronx, New York City
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [New Rochelle](https://en.wikipedia.org/wiki/New_Rochelle,_New_York "New Rochelle, New York")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Rye](https://en.wikipedia.org/wiki/Rye,_New_York "Rye, New York")
 [I-287](https://en.wikipedia.org/wiki/Interstate_287 "Interstate 287") on the Ryeā[Port Chester](https://en.wikipedia.org/wiki/Port_Chester,_New_York "Port Chester, New York") city line
Connecticut
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Stamford](https://en.wikipedia.org/wiki/Stamford,_Connecticut "Stamford, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Darien](https://en.wikipedia.org/wiki/Darien,_Connecticut "Darien, Connecticut")
 [US 7](https://en.wikipedia.org/wiki/U.S._Route_7 "U.S. Route 7") in [Norwalk](https://en.wikipedia.org/wiki/Norwalk,_Connecticut "Norwalk, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Fairfield](https://en.wikipedia.org/wiki/Fairfield,_Connecticut "Fairfield, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Stratford](https://en.wikipedia.org/wiki/Stratford,_Connecticut "Stratford, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Milford](https://en.wikipedia.org/wiki/Milford,_Connecticut "Milford, Connecticut")
 [I-91](https://en.wikipedia.org/wiki/Interstate_91 "Interstate 91") in [New Haven](https://en.wikipedia.org/wiki/New_Haven,_Connecticut "New Haven, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [East Haven](https://en.wikipedia.org/wiki/East_Haven,_Connecticut "East Haven, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Branford](https://en.wikipedia.org/wiki/Branford,_Connecticut "Branford, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Guilford](https://en.wikipedia.org/wiki/Guilford,_Connecticut "Guilford, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Old Saybrook](https://en.wikipedia.org/wiki/Old_Saybrook,_Connecticut "Old Saybrook, Connecticut"). The highways travel concurrently to [Old Lyme](https://en.wikipedia.org/wiki/Old_Lyme,_Connecticut "Old Lyme, Connecticut").
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [East Lyme](https://en.wikipedia.org/wiki/East_Lyme,_Connecticut "East Lyme, Connecticut")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [New London](https://en.wikipedia.org/wiki/New_London,_Connecticut "New London, Connecticut"). The highways travel concurrently to [Groton](https://en.wikipedia.org/wiki/Groton,_Connecticut "Groton, Connecticut").
Rhode Island
 [US 6](https://en.wikipedia.org/wiki/U.S._Route_6 "U.S. Route 6") in [Providence](https://en.wikipedia.org/wiki/Providence,_Rhode_Island "Providence, Rhode Island")
 [US 44](https://en.wikipedia.org/wiki/U.S._Route_44 "U.S. Route 44") in [Providence](https://en.wikipedia.org/wiki/Providence,_Rhode_Island "Providence, Rhode Island"). The highways travel concurrently for one block.
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Pawtucket](https://en.wikipedia.org/wiki/Pawtucket,_Rhode_Island "Pawtucket, Rhode Island"). The highways travel concurrently for less than 1 mile (1.6 km).
Massachusetts
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Attleboro](https://en.wikipedia.org/wiki/Attleboro,_Massachusetts "Attleboro, Massachusetts")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Rhode_Island%E2%80%93Massachusetts\) "Interstate 295 (Rhode IslandāMassachusetts)") in [North Attleborough](https://en.wikipedia.org/wiki/North_Attleborough,_Massachusetts "North Attleborough, Massachusetts")
 [I-495](https://en.wikipedia.org/wiki/Interstate_495_\(Massachusetts\) "Interstate 495 (Massachusetts)") in [Plainville](https://en.wikipedia.org/wiki/Plainville,_Massachusetts "Plainville, Massachusetts")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Sharon](https://en.wikipedia.org/wiki/Sharon,_Massachusetts "Sharon, Massachusetts")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") on the [Westwood](https://en.wikipedia.org/wiki/Westwood,_Massachusetts "Westwood, Massachusetts")ā[Dedham](https://en.wikipedia.org/wiki/Dedham,_Massachusetts "Dedham, Massachusetts") city line. The highways travel concurrently to [Canton](https://en.wikipedia.org/wiki/Canton,_Massachusetts "Canton, Massachusetts").
 [I-93](https://en.wikipedia.org/wiki/Interstate_93 "Interstate 93") / [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Canton](https://en.wikipedia.org/wiki/Canton,_Massachusetts "Canton, Massachusetts"). I-93/US 1 travel concurrently to [Boston](https://en.wikipedia.org/wiki/Boston "Boston").
 [US 3](https://en.wikipedia.org/wiki/U.S._Route_3 "U.S. Route 3") in Boston
 [I-90](https://en.wikipedia.org/wiki/Interstate_90 "Interstate 90") in Boston
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Peabody](https://en.wikipedia.org/wiki/Peabody,_Massachusetts "Peabody, Massachusetts")
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Peabody
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Danvers](https://en.wikipedia.org/wiki/Danvers,_Massachusetts "Danvers, Massachusetts")
New Hampshire
 [US 4](https://en.wikipedia.org/wiki/U.S._Route_4 "U.S. Route 4") in [Portsmouth](https://en.wikipedia.org/wiki/Portsmouth,_New_Hampshire "Portsmouth, New Hampshire")
Maine
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in [Kittery](https://en.wikipedia.org/wiki/Kittery,_Maine "Kittery, Maine")
 [I-195](https://en.wikipedia.org/wiki/Interstate_195_\(Maine\) "Interstate 195 (Maine)") in [Saco](https://en.wikipedia.org/wiki/Saco,_Maine "Saco, Maine")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Maine\) "Interstate 295 (Maine)") in [South Portland](https://en.wikipedia.org/wiki/South_Portland,_Maine "South Portland, Maine"). The highways travel concurrently to [Portland](https://en.wikipedia.org/wiki/Portland,_Maine "Portland, Maine").
 [US 302](https://en.wikipedia.org/wiki/U.S._Route_302 "U.S. Route 302") in Portland
 [I-495](https://en.wikipedia.org/wiki/Interstate_495_\(Maine\) "Interstate 495 (Maine)") in [Falmouth](https://en.wikipedia.org/wiki/Falmouth,_Maine "Falmouth, Maine")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Maine\) "Interstate 295 (Maine)") in [Yarmouth](https://en.wikipedia.org/wiki/Yarmouth,_Maine "Yarmouth, Maine")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Maine\) "Interstate 295 (Maine)") in Yarmouth
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Maine\) "Interstate 295 (Maine)") in [Freeport](https://en.wikipedia.org/wiki/Freeport,_Maine "Freeport, Maine")
 [I-295](https://en.wikipedia.org/wiki/Interstate_295_\(Maine\) "Interstate 295 (Maine)") in [Brunswick](https://en.wikipedia.org/wiki/Brunswick,_Maine "Brunswick, Maine")
 [US 201](https://en.wikipedia.org/wiki/U.S._Route_201 "U.S. Route 201") in Brunswick
 [US 2](https://en.wikipedia.org/wiki/U.S._Route_2 "U.S. Route 2") in [Houlton](https://en.wikipedia.org/wiki/Houlton,_Maine "Houlton, Maine"). The highways travel concurrently through the city.
 [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") in Houlton
 [Route 161](https://en.wikipedia.org/wiki/New_Brunswick_Route_161 "New Brunswick Route 161") / [Route 205](https://en.wikipedia.org/wiki/New_Brunswick_Route_205 "New Brunswick Route 205") at the [Fort KentāClair Border Crossing](https://en.wikipedia.org/wiki/Fort_Kent%E2%80%93Clair_Border_Crossing "Fort KentāClair Border Crossing") in [Fort Kent](https://en.wikipedia.org/wiki/Fort_Kent,_Maine "Fort Kent, Maine")
[\[29\]](https://en.wikipedia.org/wiki/U.S._Route_1#cite_note-randmcnally-29)
US 1 has six three-digit auxiliary routes. In numerical order, these are:
- [US 201](https://en.wikipedia.org/wiki/U.S._Route_201 "U.S. Route 201"), from [Brunswick, Maine](https://en.wikipedia.org/wiki/Brunswick,_Maine "Brunswick, Maine"), to the [ArmstrongāJackman Border Crossing](https://en.wikipedia.org/wiki/Armstrong%E2%80%93Jackman_Border_Crossing "ArmstrongāJackman Border Crossing") running south to north in east-central [Maine](https://en.wikipedia.org/wiki/Maine "Maine").
- [US 301](https://en.wikipedia.org/wiki/U.S._Route_301 "U.S. Route 301"), from [Sarasota, Florida](https://en.wikipedia.org/wiki/Sarasota,_Florida "Sarasota, Florida"), to [Biddles Corner, Delaware](https://en.wikipedia.org/wiki/Biddles_Corner,_Delaware "Biddles Corner, Delaware"), along the [East Coast](https://en.wikipedia.org/wiki/East_Coast_of_the_United_States "East Coast of the United States"). Most of the route closely parallels [I-95](https://en.wikipedia.org/wiki/Interstate_95 "Interstate 95") and it has numerous intersections with its parent.
- [US 401](https://en.wikipedia.org/wiki/U.S._Route_401 "U.S. Route 401") from [Sumter, South Carolina](https://en.wikipedia.org/wiki/Sumter,_South_Carolina "Sumter, South Carolina"), to [Wise, North Carolina](https://en.wikipedia.org/wiki/Wise,_North_Carolina "Wise, North Carolina"), near the Virginia border. For most of the route, it parallels US 1 about 10 to 20 miles (16 to 32 km) to the east, though the two share pavement in [Raleigh, North Carolina](https://en.wikipedia.org/wiki/Raleigh,_North_Carolina "Raleigh, North Carolina").
- [US 501](https://en.wikipedia.org/wiki/U.S._Route_501 "U.S. Route 501") from [Myrtle Beach, South Carolina](https://en.wikipedia.org/wiki/Myrtle_Beach,_South_Carolina "Myrtle Beach, South Carolina"), to [Buena Vista, Virginia](https://en.wikipedia.org/wiki/Buena_Vista,_Virginia "Buena Vista, Virginia"). The highway runs southeastānorthwest, meeting its parent in [Aberdeen](https://en.wikipedia.org/wiki/Aberdeen,_North_Carolina "Aberdeen, North Carolina") and [Sanford](https://en.wikipedia.org/wiki/Sanford,_North_Carolina "Sanford, North Carolina").
- [US 601](https://en.wikipedia.org/wiki/U.S._Route_601 "U.S. Route 601") from [Tarboro, South Carolina](https://en.wikipedia.org/wiki/Tarboro,_South_Carolina "Tarboro, South Carolina"), to [Mount Airy, North Carolina](https://en.wikipedia.org/wiki/Mount_Airy,_North_Carolina "Mount Airy, North Carolina"). It runs mostly due southānorth to the west of US 501, meeting the parent route in [Camden, South Carolina](https://en.wikipedia.org/wiki/Camden,_South_Carolina "Camden, South Carolina").
- [US 701](https://en.wikipedia.org/wiki/U.S._Route_701 "U.S. Route 701") from [Georgetown, South Carolina](https://en.wikipedia.org/wiki/Georgetown,_South_Carolina "Georgetown, South Carolina"), to [Four Oaks, North Carolina](https://en.wikipedia.org/wiki/Four_Oaks,_North_Carolina "Four Oaks, North Carolina"). Furthest east of the US 1 auxiliary routes, it never meets its parent route, but does intersect US 501 in [Conway, South Carolina](https://en.wikipedia.org/wiki/Conway,_South_Carolina "Conway, South Carolina"), and terminates at US 301 at its northern end.
[US 101](https://en.wikipedia.org/wiki/U.S._Route_101 "U.S. Route 101"), despite its number, is not an auxiliary route, but rather considered a primary U.S. Route in its own right as major highway west of the former [US 99](https://en.wikipedia.org/wiki/U.S._Route_99 "U.S. Route 99") on the west coast of the U.S. (In the numbering scheme, its first "digit" is "10".)
- [Florida State Road A1A](https://en.wikipedia.org/wiki/Florida_State_Road_A1A "Florida State Road A1A")
- [Massachusetts Route 1A](https://en.wikipedia.org/wiki/Massachusetts_Route_1A "Massachusetts Route 1A")
- [New Hampshire Route 1A](https://en.wikipedia.org/wiki/New_Hampshire_Route_1A "New Hampshire Route 1A")
- [New York State Route 1A](https://en.wikipedia.org/wiki/New_York_State_Route_1A "New York State Route 1A")
- [Rhode Island Route 1A](https://en.wikipedia.org/wiki/Rhode_Island_Route_1A "Rhode Island Route 1A")
- The route in [Richard Bachman](https://en.wikipedia.org/wiki/Richard_Bachman "Richard Bachman")'s horror novel, *[The Long Walk](https://en.wikipedia.org/wiki/The_Long_Walk_\(novel\) "The Long Walk (novel)")* (1979), begins each year at the MaineāNew Brunswick border at 9:00 on the morning of May 1 and travels down the [East Coast of the United States](https://en.wikipedia.org/wiki/East_Coast_of_the_United_States "East Coast of the United States"), along US 1, until the winner is determined.
- The Atlantic Highway features prominently as both a location, and a character in [Seanan McGuire](https://en.wikipedia.org/wiki/Seanan_McGuire "Seanan McGuire")'s Ghost Roads series.
- [U.S. Route 1A](https://en.wikipedia.org/wiki/U.S._Route_1A "U.S. Route 1A")
- [Special routes of U.S. Route 1](https://en.wikipedia.org/wiki/Special_routes_of_U.S._Route_1 "Special routes of U.S. Route 1")
1. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-AASHTO_1-0)**
[American Association of State Highway and Transportation Officials](https://en.wikipedia.org/wiki/American_Association_of_State_Highway_and_Transportation_Officials "American Association of State Highway and Transportation Officials"). [*United States Numbered Highways*](https://web.archive.org/web/20070204074242/http://cms.transportation.org/?siteid=68&pageid=1760) (1989 ed.). Washington, DC: American Association of State Highway and Transportation Officials. Archived from [the original](http://cms.transportation.org/?siteid=68&pageid=1760) on February 4, 2007.
2. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-Magic_valley_lists_US_1_as_the_longest_US_Route_in_the_United_States_2-0)**
["America's longest north-south highways"](https://magicvalley.com/america-s-longest-north-south-highways/article_f42f6adc-2084-5036-a39d-7487c860b9e1.html). *Times-News*. December 14, 2010. [Archived](https://web.archive.org/web/20230429022902/https://magicvalley.com/america-s-longest-north-south-highways/article_f42f6adc-2084-5036-a39d-7487c860b9e1.html) from the original on April 29, 2023. Retrieved October 13, 2014.
3. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-3)**
["E. W. James on designating the Federal-aid system and developing the U.S. numbered highway plan"](https://www.fhwa.dot.gov/infrastructure/ewjames.cfm). [Federal Highway Administration](https://en.wikipedia.org/wiki/Federal_Highway_Administration "Federal Highway Administration"). [Archived](https://web.archive.org/web/20080924120943/http://www.fhwa.dot.gov/infrastructure/ewjames.htm) from the original on September 24, 2008. Retrieved August 9, 2012.
4. ^ [***a***](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-1926_Rand_McNally_4-0) [***b***](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-1926_Rand_McNally_4-1)
[Rand McNally](https://en.wikipedia.org/wiki/Rand_McNally "Rand McNally") (1926). [*Auto Road Atlas*](http://www.broermapsonline.org/members/) (Map). Rand McNally ā via Broer Map Library.
5. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-5)**
["490 Whitehead St, Key West, FL 33040"](https://maps.google.com/maps?f=q&hl=en&geocode=&q=490+Whitehead+St,+Key+West,+FL+33040&sll=24.564454,-81.803019&sspn=0.009114,0.013819&layer=c&ie=UTF8&ll=24.559927,-81.803319&spn=0.009114,0.013819&z=16&cbll=24.555358,-81.804056&panoid=FI83lxPQwLIYR-9LZ7Y8rQ&cbp=1,20.256207176035787,,0,5) (Map). *[Google Maps](https://en.wikipedia.org/wiki/Google_Maps "Google Maps")*. Retrieved August 9, 2012.
6. ^ [***a***](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-maps_6-0) [***b***](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-maps_6-1) [***c***](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-maps_6-2) [***d***](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-maps_6-3) [***e***](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-maps_6-4) [Google Maps](https://en.wikipedia.org/wiki/Google_Maps "Google Maps") street maps and [USGS](https://en.wikipedia.org/wiki/USGS "USGS") [topographic maps](https://en.wikipedia.org/wiki/Topographic_map "Topographic map"), accessed via [ACME Mapper](http://mapper.acme.com/) [Archived](https://web.archive.org/web/20221119110322/http://mapper.acme.com/) November 19, 2022, at the [Wayback Machine](https://en.wikipedia.org/wiki/Wayback_Machine "Wayback Machine")\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
7. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-7)**
Gordon, John. "US Highway 17 to Florida: Scenic, Historic and Very Slow, December 29, 1993". *[The Virginian-Pilot](https://en.wikipedia.org/wiki/The_Virginian-Pilot "The Virginian-Pilot")*. "Drivers know they're in Florida when they notice the U.S. Highway signs are color-coded for easy recognition. The US 17 signs, for example, are yellow, while those of US 1 are red, US 90 blue. and US 27 green"
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
8. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-8)**
["US 1/64 Widening"](https://web.archive.org/web/20120314183019/http://www.townofcary.org/Departments/Engineering/Engineering_Projects/US_1_64_Widening.htm). Town of Cary, North Carolina. Archived from [the original](http://www.townofcary.org/Departments/Engineering/Engineering_Projects/US_1_64_Widening.htm) on March 14, 2012.
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
9. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-9)**
["US 1 Corridor Study"](https://web.archive.org/web/20120324052923/http://www.ncdot.org/projects/US1corridor/). North Carolina Department of Transportation. Archived from [the original](http://www.ncdot.org/projects/US1corridor/) on March 24, 2012. Retrieved August 9, 2012.
10. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-10)**
["Toll debate at center of Capital Boulevard expansion project after dueling votes"](https://abc11.com/post/toll-debate-center-capital-boulevard-expansion-project-dueling-votes/16500230/). *ABC11 Raleigh-Durham*. May 22, 2025. Retrieved May 24, 2025.
11. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-11)**
Nirappil, Fenit; Hernandez, Arelis R. (December 31, 2018). ["A plastic straw ban and a Confederate name change: New laws in the D.C. region in 2019"](https://www.washingtonpost.com/local/dc-politics/a-plastic-straw-ban-and-a-confederate-name-change-new-laws-in-the-dc-region-in-2019/2018/12/31/60e4d954-0d1c-11e9-831f-3aa2c2be4cbd_story.html). *Washington Post*. [Archived](https://web.archive.org/web/20190103054831/https://www.washingtonpost.com/local/dc-politics/a-plastic-straw-ban-and-a-confederate-name-change-new-laws-in-the-dc-region-in-2019/2018/12/31/60e4d954-0d1c-11e9-831f-3aa2c2be4cbd_story.html) from the original on January 3, 2019. Retrieved January 3, 2019.
12. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-:0_12-0)**
["LIS \> Bill Tracking \> HB2075 \> 2021 session"](https://lis.virginia.gov/cgi-bin/legp604.exe?211+sum+HB2075). *lis.virginia.gov*. [Archived](https://web.archive.org/web/20210210043922/https://lis.virginia.gov/cgi-bin/legp604.exe?211+sum+HB2075) from the original on February 10, 2021. Retrieved February 26, 2021.
13. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-:2_13-0)**
Thomas, Pat (March 31, 2021). ["Governor signs remaining bills from 2021 Special Session"](https://www.whsv.com/2021/04/01/governor-signs-remaining-bills-from-2021-special-session/). Harrisonburg, Virginia: [WHSV-TV](https://en.wikipedia.org/wiki/WHSV-TV "WHSV-TV"). [Archived](https://web.archive.org/web/20210401163057/https://www.whsv.com/2021/04/01/governor-signs-remaining-bills-from-2021-special-session/) from the original on April 1, 2021. Retrieved April 3, 2021.
14. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-14)**
Rosenthal, Harold (1983). ["Water tower in South Brunswick Township"](https://rucore.libraries.rutgers.edu/rutgers-lib/43303/). *Rutgers University Community Repository*. [doi](https://en.wikipedia.org/wiki/Doi_\(identifier\) "Doi (identifier)"):[10\.7282/T3N58JK0](https://doi.org/10.7282%2FT3N58JK0). [Archived](https://web.archive.org/web/20170830004531/https://rucore.libraries.rutgers.edu/rutgers-lib/43303/) from the original on August 30, 2017. Retrieved August 29, 2017.
15. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-15)**
Kaczynski, William (2000). *The American Highway: The History and Culture of Roads in the United States*. p. 38.
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
16. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-16)**
"Many Auto Highways Gridiron the Nation". *[Decatur Daily Review](https://en.wikipedia.org/wiki/Decatur_Daily_Review "Decatur Daily Review")*. November 14, 1915.
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
17. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-17)**
[Clason Map Company](https://en.wikipedia.org/wiki/Clason_Map_Company "Clason Map Company") (1923). [*Midget Map of the Transcontinental Trails of the United States*](https://www.fhwa.dot.gov/infrastructure/midgetmap.cfm) (Map). Clason Map Company ā via Federal Highway Administration.
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
18. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-18)**
"Motor Sign Uniformity". *[The New York Times](https://en.wikipedia.org/wiki/The_New_York_Times "The New York Times")*. April 16, 1922. p. 98.
19. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-19)**
"New York's Main Highways Designated by Numbers". *The New York Times*. December 21, 1924. p. XX9.
20. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-FHWA_planning_20-0)**
Weingroff, Richard F. ["From Names to Numbers: The Origins of the U.S. Numbered Highway System"](https://www.fhwa.dot.gov/infrastructure/numbers.cfm). Federal Highway Administration. [Archived](https://web.archive.org/web/20071017125035/http://wwwcf.fhwa.dot.gov/infrastructure/numbers.htm) from the original on October 17, 2007. Retrieved October 12, 2007.
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
21. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-1925_list_21-0)**
Joint Board on Interstate Highways (1925). ["Appendix VI: Descriptions of the Interstate Routes Selected, with Numbers Assigned"](https://en.wikisource.org/wiki/Report_of_Joint_Board_on_Interstate_Highways_October_30,_1925#49). *Report of Joint Board on Interstate Highways, October 30, 1925, Approved by the Secretary of Agriculture, November 18, 1925* (Report). Washington, DC: [United States Department of Agriculture](https://en.wikipedia.org/wiki/United_States_Department_of_Agriculture "United States Department of Agriculture"). p. 49. [OCLC](https://en.wikipedia.org/wiki/OCLC_\(identifier\) "OCLC (identifier)") [733875457](https://www.worldcat.org/oclc/733875457), [55123355](https://www.worldcat.org/oclc/55123355), [71026428](https://www.worldcat.org/oclc/71026428). [Archived](https://web.archive.org/web/20171114145350/https://en.wikisource.org/wiki/Report_of_Joint_Board_on_Interstate_Highways_October_30,_1925#49) from the original on November 14, 2017. Retrieved November 14, 2017 ā via [Wikisource](https://en.wikipedia.org/wiki/Wikisource "Wikisource").
22. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-1926routes_22-0)**
The following routes were used, shown on the 1926 Rand McNally:
- Florida: 4
- Georgia: 15, 17, and 24
- South Carolina: 12 and 50
- North Carolina: 50
- Virginia: 31
- Maryland: state highways were not numbered prior to the U.S. Highway system
- Pennsylvania: 12 and 1
- New Jersey: 13 and 1
- New York: 1
- New England: 1 and 24, and a small piece of 160 beyond [Madawaska, Maine](https://en.wikipedia.org/wiki/Madawaska,_Maine "Madawaska, Maine") (in the 1925 plan, part of 15 was also used)
23. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-1926_map_23-0)**
[Bureau of Public Roads](https://en.wikipedia.org/wiki/Bureau_of_Public_Roads "Bureau of Public Roads") & [American Association of State Highway Officials](https://en.wikipedia.org/wiki/American_Association_of_State_Highway_Officials "American Association of State Highway Officials") (November 11, 1926). [*United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials*](https://commons.wikimedia.org/wiki/File:United_States_System_of_Highways_Adopted_for_Uniform_Marking_by_the_American_Association_of_State_Highway_Officials.jpg) (Map). 1:7,000,000. Washington, DC: [United States Geological Survey](https://en.wikipedia.org/wiki/United_States_Geological_Survey "United States Geological Survey"). [OCLC](https://en.wikipedia.org/wiki/OCLC_\(identifier\) "OCLC (identifier)") [32889555](https://search.worldcat.org/oclc/32889555). Retrieved November 7, 2013 ā via [Wikimedia Commons](https://en.wikipedia.org/wiki/Wikimedia_Commons "Wikimedia Commons").
24. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-1927_log_24-0)**
"United States Numbered Highways". *American Highways*. [American Association of State Highway Officials](https://en.wikipedia.org/wiki/American_Association_of_State_Highway_Officials "American Association of State Highway Officials"). April 1927.
25. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-25)**
Hart, Steven (2007). *The Last Three Miles: Politics, Murder, and the Construction of America's First Superhighway*. [The New Press](https://en.wikipedia.org/wiki/The_New_Press "The New Press"). pp. 1ā5\. [ISBN](https://en.wikipedia.org/wiki/ISBN_\(identifier\) "ISBN (identifier)")
[978-1-59558-098-6](https://en.wikipedia.org/wiki/Special:BookSources/978-1-59558-098-6 "Special:BookSources/978-1-59558-098-6")
.
26. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-26)**
[Maine Department of Transportation](https://en.wikipedia.org/wiki/Maine_Department_of_Transportation "Maine Department of Transportation"). ["WaldoāHancock Bridge"](https://web.archive.org/web/20110605235116/http://www.maine.gov/mdot/covered-bridges/waldo.php). Archived from [the original](http://www.maine.gov/mdot/covered-bridges/waldo.php) on June 5, 2011. Retrieved October 12, 2007.
27. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-27)**
[State Road Department of Florida](https://en.wikipedia.org/wiki/State_Road_Department_of_Florida "State Road Department of Florida") (1941). [*Official State Road Map of Florida*](https://web.archive.org/web/20071122062420/http://alabamamaps.ua.edu/historicalmaps/us_states/florida/index3.html) (Map). Tallahassee: State Road Department of Florida. Archived from [the original](http://alabamamaps.ua.edu/historicalmaps/us_states/florida/index3.html) on November 22, 2007. Retrieved October 12, 2007.
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
28. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-28)**
[Gulf](https://en.wikipedia.org/wiki/Gulf_Oil "Gulf Oil") (1977). *Tourgide: United States, Canada and Mexico* (Map). Chicago: [Rand McNally & Company](https://en.wikipedia.org/wiki/Rand_McNally_%26_Company "Rand McNally & Company").
\[*[full citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#What_information_to_include "Wikipedia:Citing sources")*\]
29. **[^](https://en.wikipedia.org/wiki/U.S._Route_1#cite_ref-randmcnally_29-0)**
Rand McNally (2014). *The Road Atlas* (Walmart ed.). Chicago: Rand McNally. pp. 23, 26ā29, 45, 47, 49, 65ā66, 69, 74ā75, 89, 91ā92, 107, 111. [ISBN](https://en.wikipedia.org/wiki/ISBN_\(identifier\) "ISBN (identifier)")
[978-0-528-00771-2](https://en.wikipedia.org/wiki/Special:BookSources/978-0-528-00771-2 "Special:BookSources/978-0-528-00771-2")
.
KML is from Wikidata
- Weingroff, Richard F. ["U.S. 1: Fort Kent, Maine to Key West, Florida"](https://highways.dot.gov/highway-history/general-highway-history/us-1-fort-kent-maine-key-west-florida). [Federal Highway Administration](https://en.wikipedia.org/wiki/Federal_Highway_Administration "Federal Highway Administration"). Retrieved August 29, 2014.
- [Endpoints of U.S. Highway 1](https://www.usends.com/endpoints/us-1-us-9/1) |
| Shard | 152 (laksa) |
| Root Hash | 17790707453426894952 |
| Unparsed URL | org,wikipedia!en,/wiki/U.S._Route_1 s443 |