U.S. Route 4 in New Hampshire

U.S. Route 4
U.S. Route 4
	US 4 highlighted in red
Route information
	Maintained by NHDOT
Length	106.834 mi (171.933 km)
Existed	1926–present
Major junctions
West end	US 4 at the Vermont state line
	I-89 in Lebanon; US 3 in Boscawen; I-93 in Penacook; I-93 / US 202 in Concord; US 202 / NH 9 in Northwood; NH 16 / Spaulding Turnpike in Dover;
East end	I-95 / US 1 Byp. in Portsmouth
Location
Country	United States
State	New Hampshire
Counties	Grafton, Merrimack, Rockingham, Strafford
Highway system
	United States Numbered Highway System; List; Special; Divided; New Hampshire Highway System; Interstate; US; State; Turnpikes;

U.S. Route 4 in New Hampshire runs for 106.834 miles (171.933 km) across the central and southern part of the state, stretching from Lebanon on the Connecticut River border with Vermont southeast to Portsmouth on the eastern coast.