List of U.S. Highways in Massachusetts

	Standard U.S. Highway shields
System information
Notes:	Routes are not always state-maintained, and not all state highways are Routes.
Highway names
Interstates:	Route I-X or Route X
US Routes:	Route US X or Route X
System links
	Massachusetts State Highway System; Interstate; US; State;

The U.S. Highways in Massachusetts comprise eight current U.S. Highways and one former route.

Mainline routes

Number	Length (mi)^[1]	Length (km)	Southern or western terminus	Northern or eastern terminus	Formed	Removed	Notes
US0001 !US 1	85.60	137.76	US 1 at Pawtucket, RI	US 1 in Seabrook, NH	1926	current	Mostly follows the old New England Route 1
US0003 !US 3	35.70	57.45	Route 3 / Route 2A in Cambridge	US 3 in Nashua, NH	1926	current	Mostly follows the old New England Route 6
US0005 !US 5	53.46	86.04	US 5 in Enfield, CT	US 5 in Guilford, VT	1926	current	Mostly follows the old New England Route 2
US0006 !US 6	117.46	189.03	US 6 in East Providence, RI	Route 6A in Provincetown	1926	current	Mostly follows the old New England Route 3
US0007 !US 7	53.9	86.7	US 7 in North Canaan, CT	US 7 in Pownal, VT	1926	current	Mostly follows the old New England Route 4
US0020 !US 20	153.44	246.94	US 20 in New Lebanon, NY	Route 2 in Boston	1926	current	Mostly follows the old New England Route 5
US0044 !US 44	38.40	61.80	US 44 in East Providence, RI	Route 3A in Plymouth	1935	current
US0202 !US 202	79.6	128.1	US 202 in Granby, CT	US 202 in Rindge, NH	1935	current
Former

Number	Length (mi)	Length (km)	Southern or western terminus	Northern or eastern terminus	Formed	Removed	Notes
US 19260005A !US-5A	—	—	Suffield, CT	Springfield	1932	1938	Replaced by Route 5A; which became Route 159
US-Byp0006 !US 6 Byp.	—	—	US 6 / Route 28 in Bourne	US 6 / Route 6A in Sagamore	—	—	signs were posted along both sides of Cape Cod Canal
Former