Where is interstate one?
U.S. Route 1 or U.S. Highway 1 (US 1) is a major north–south U.S. Highway that serves the East Coast of the United States. It runs 2,369 miles (3,813 km), from Key West, Florida north to Fort Kent, Maine, at the Canada–US border, making it the longest north–south road in the United States.
There’s no interstate one in the US. The U.S. Route 1 or U.S. Highway 1 is a major north–south U.S. Highway that serves the East Coast of the United States. It runs 2,369 miles, from Key West, Florida north to Fort Kent, Maine, making it the longest north–south road in the United States.