U.S. Route 1 in New Jersey

U.S. Route 1
US 1 highlighted in red
Route information
Maintained by NJDOT, DRJTBC, and PANYNJ
Length	66.06 mi[1] (106.31 km)
Existed	1926–present
Restrictions	No trucks on the Pulaski Skyway
Major junctions
South end	US 1 at the Pennsylvania state line in Trenton
Major intersections	Route 29 in Trenton Route 129 in Trenton I-295 in Lawrence Township US 130 / Route 171 in North Brunswick I-287 / CR 531 in Edison G.S. Parkway in Woodbridge Township US 9 in Woodbridge Township I-278 in Linden I-78 / US 22 / Route 21 in Newark I-78 / I-95 / N.J. Turnpike in Newark US 46 in Palisades Park I-95 / US 9W / Route 4 in Fort Lee
North end	I-95 / US 1-9 at the New York state line in Fort Lee
Location
Country	United States
State	New Jersey
Counties	Mercer, Middlesex, Union, Essex, Hudson, Bergen
Highway system
United States Numbered Highway System List Special Divided New Jersey State Highway Routes Interstate US State Scenic Byways
← I-895 → Route 1
← Route 173 Route 174 → Route 175

U.S. Route 1 (US 1) is a U.S. Route which parallels the East Coast of the United States, running from Key West, Florida, in the south to Fort Kent, Maine, at the Canadian border in the north. Of the entire length of the route, 66.06 miles (106.31 km) of it runs through New Jersey. It enters the state from Pennsylvania on the Trenton–Morrisville Toll Bridge over the Delaware River in the state capital of Trenton, running through the city on the Trenton Freeway. From here, US 1 continues northeast as a surface divided highway through suburban areas, heading into Middlesex County and passing through New Brunswick and Edison. US 1 merges with US 9 in Woodbridge, and the two routes continue through northern New Jersey as US 1/9 to the George Washington Bridge over the Hudson River in Fort Lee. At this point, the road continues into New York City along with Interstate 95.

The current alignment of US 1 between Trenton and New Brunswick was chartered as the Trenton and New Brunswick Turnpike in 1803 and struggled throughout its 100-year existence. In 1913, the Lincoln Highway across the U.S. was created and connected Trenton to Newark within New Jersey. The Lincoln Highway was legislated as Route 13 between Trenton and New Brunswick in 1917 and as part of Route 1 between New Brunswick and Elizabeth, later extended to Jersey City. With the creation of the U.S. Highway System in 1926, US 1 was designated to follow the Lincoln Highway between Trenton and Newark and the current alignment of US 1/9 Truck to Jersey City, where it continued to the Holland Tunnel. In 1927, the Lincoln Highway portion of US 1 became Route 27. The current alignment of US 1 between Trenton and Newark was legislated as Route 26, Route S26, and Route 25, while the current route north from Jersey City to the George Washington Bridge became Route 1 and Route 6. In subsequent years, US 1 was moved onto its current routing between Trenton and the George Washington Bridge. The state highways running concurrent with US 1 were removed in 1953, around the same time the route was moved to the Trenton Freeway within Trenton and the old alignment became US 1 Alternate (US 1 Alt.), part of which is now US 1 Business (US 1 Bus.). By 1969, the Trenton Freeway was extended north to Whitehead Road in Lawrence Township, and that segment became Route 174. When the Trenton Freeway was completed north to US 1, the US 1 designation was shifted to the freeway, replacing Route 174.