U.S. Route 4

U.S. Route 4
U.S. Route 4
	US 4 highlighted in red
Route information
Length	252.62 mi (406.55 km)
Existed	1926–present
Major junctions
West end	US 9 / US 20 in East Greenbush, NY
	I-90 in East Greenbush, NY; US 7 in Rutland, VT; I-89 in Hartford, VT; I-91 / US 5 in White River Junction, VT; I-89 in Lebanon, NH; I-93 / US 3 / US 202 in Concord, NH;
East end	I-95 / Blue Star Turnpike / Spaulding Turnpike / US 1 Byp. / NH 16 in Portsmouth, NH
Location
Country	United States
States	New York, Vermont, New Hampshire
Highway system
	United States Numbered Highway System; List; Special; Divided;

U.S. Route 4 (US 4) is a 253-mile-long (407 km) United States Numbered Highway that runs from East Greenbush, New York, in the west to Portsmouth, New Hampshire, in the east, traversing Vermont.

In New York, US 4 is signed north–south to reflect its alignment in the state. In Vermont and New Hampshire, the route is signed east–west, the conventional direction for even-numbered U.S. Routes.