U.S. Route 4 in New Hampshire

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U.S. Route 4
US 4 highlighted in red
Route information
Maintained by NHDOT
Length	106.834 mi[1] (171.933 km)
Existed	1926[citation needed]–present
Major junctions
West end	US 4 at the Vermont state line
Major intersections	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
← NH 3B → NH 4
← NH 4 → NH 9

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.