High Quality Content by WIKIPEDIA articles! 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 to Key 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.