Route information | ||||
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Maintained by NHDOT | ||||
Length | 17.044 mi[1] (27.430 km) | |||
Existed | 1926–present | |||
Major junctions | ||||
South end | US 1 in Salisbury, MA | |||
NH 101 in Hampton US 1 Byp. in Portsmouth | ||||
North end | US 1 in Kittery, ME | |||
Location | ||||
Country | United States | |||
State | New Hampshire | |||
Counties | Rockingham | |||
Highway system | ||||
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U.S. Route 1 (US 1) is a north–south U.S. Route is the U.S. state of New Hampshire through Hampton and Portsmouth. It lies between Interstate 95 (I-95) and New Hampshire Route 1A (NH 1A).