U.S. Route 1 is a major north–south U.S. Highway that serves the East Coast of the United States. It runs 2,377 miles (3,825 km) from Fort Kent, Maine at the Canadian border south toKey West, Florida. U.S. 1 generally parallels Interstate 95, though it is significantly farther west (inland) between Jacksonville, Florida and Petersburg, Virginia. The highway connects most of the major cities of the east coast, including Miami, Florida; Fort Lauderdale, Florida; West Palm Beach, Florida; Jacksonville, Florida; Augusta, Georgia; Columbia, South Carolina;Raleigh, North Carolina; Richmond, Virginia; Washington, D.C.; Baltimore, Maryland; Philadelphia, Pennsylvania; Trenton, New Jersey; New Brunswick, New Jersey; Newark, New Jersey;New York, New York; New Haven, Connecticut; New London, Connecticut; Providence, Rhode Island; Boston, Massachusetts; Portsmouth, New Hampshire and Portland, Maine.
U.S. 1 is the eastmost of the main north–south U.S. Highways, all of which end in one, but there are areas where it is not the eastmost route of the system, with large portions of U.S. Route 9, U.S. Route 13, U.S. Route 17, and U.S. Route 301 occupying corridors closer to the ocean. When the road system was laid out in the 1920s, U.S. 1 was mostly assigned to the existing Atlantic Highway, which followed the Fall Line between the Piedmont and the Atlantic Coastal Plain north of Augusta.[2] At the time, the highways farther east were of lower quality and did not serve the major population centers.
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U.S. Route 1 |
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| Route information | |
| Length: | 2,377 mi (3,825 km) |
| Existed: | 1926 – present |
| Major junctions | |
| South end: | Whitehead Street / Fleming Street in Key West, Florida |
 US 41 in Miami I-10 in Jacksonville I-26 in Columbia, S.C. I-40 in Raleigh, N.C. I-64 in Richmond, Va. US 50 in Washington, D.C. US 40 in Baltimore I-76 in Philadelphia I-87 in New York City I-90 in Boston |
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| North end: |  NB 161 in Clair, New Brunswick, Canada |
