U.S. Route 3

U.S. Route 3
Route information
Length	277.00 mi (445.79 km)
Existed	1926 – present
Major junctions
South end	Route 2A / Route 3 in Cambridge, Mass.
	Route 2 in Cambridge, Mass. Route 16 in Cambridge, Mass. Route 60 in Arlington, Mass. I‑95 / Route 128 in Burlington, Mass. I‑495 in Chelmsford, Mass. Everett Turnpike in Nashua, N.H. NH 101 near Manchester, N.H. US 4 near Concord, N.H. I‑93 in Franconia, N.H. US 2 in Lancaster, N.H.
North end	Route 257 near Chartierville, Quebec
Highway system
United States Numbered Highway System List Special Divided Replaced

U.S. Route 3 is a highway that travels from Cambridge, Massachusetts to the Canadian border.