U.S. Route 1 in Massachusetts

U.S. Route 1
U.S. Route 1
Route information
	Maintained by MassDOT
Length	86.253 mi (138.811 km)
Existed	1926–present
Major junctions
South end	US 1 at the Rhode Island state line
	I-95 in Attleboro and Sharon; I-295 in North Attleborough; I-495 in Plainville; I-95 / Route 128 from Dedham to Canton; I-93 from Canton to Boston; Route 3 from Braintree to Boston; I-90 / Mass Pike in Boston; I-95 in Danvers;
North end	US 1 at the New Hampshire state line
Location
Country	United States
State	Massachusetts
Counties	Bristol, Norfolk, Suffolk, Middlesex, Essex
Highway system
	United States Numbered Highway System; List; Special; Divided; Massachusetts State Highway System; Interstate; US; State;

U.S. Route 1 (US 1) is a major north–south U.S. Route that runs from Key West, Florida to Fort Kent, Maine. In the state of Massachusetts, it travels through Essex, Middlesex, Suffolk, Norfolk, and Bristol counties. The portion of US 1 south of Boston is also known as the Boston–Providence Turnpike, Washington Street, or the Norfolk and Bristol Turnpike, and portions north of Boston are known as the Northeast Expressway and the Newburyport Turnpike.