List of U.S. Routes in New Hampshire

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United States Numbered Highways of the New Hampshire Highway System
U.S. Route 3 markerU.S. Route 202 marker
Highway marker for U.S. Routes 3 and 202
System information
Formed November 11, 1926[1]
Highway names
US Highways U.S. Route nn (US nn)
Special Routes:

U.S. Route nn Business (US nn Bus.);

U.S. Route nn Bypass (US nn Byp.)
System links

The U.S. Highways in New Hampshire comprise six current and one former United States Numbered Highway in New Hampshire. There are three additional highway designations for pair of business routes and a bypass, and there were two other bypasses and a fourth business loop in the past.

Mainline highways[edit]

Number Length (mi)[2] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 1 17.044 27.430 US 1 at Seabrook US 1 at Portsmouth 01926-11-261926 current
US 2 35.437 57.030 01926-11-261926 current
US 3 241.953 389.386 US 3 at Nashua Route 257 at Pittsburg 01926-11-261926 current
US 4 106.83 171.93 US 4 at Lebanon I-95/US 1 Byp. in Portsmouth 01926-11-261926 current
US 5 4.5 7.2 Dwinnell St in Walpole Arch Bridge in North Walpole 01927-01-011927 01929-01-011929 Temporarily routed into NH along part of what is now NH 12
US 202 95.270 153.322 US 202 at Rindge US 202 at Rochester 01935-01-011935 current
US 302 79.155 127.388 US 302 at Haverhill US 302 at Conway 01935-01-011935 current
  •       Former

Special routes[edit]

Number Length (mi)[2] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 1 Byp. 2.756 4.435 US 1 in Portsmouth US 1 Byp. at Portsmouth Highway continues into Maine

US 3 Bus.
4.144 6.669 US 3 & NH 11 in Belmont US 3 in Laconia Unsigned, concurrent with NH 107 and NH 11A

US 3 Bus.

US 3 Byp.

US 3 Byp.

US 302 Bus.
2.49 4.01 US 302/NH 16 in Bartlett US 302/NH 16 in Bartlett Unsigned, concurrent with NH 16A
  •       Former

See also[edit]

References[edit]

  1. ^ Bureau of Public Roads & American Association of State Highway Officials (November 11, 1926). United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials (Map). 1:7,000,000. Washington, DC: U.S. Geological Survey. OCLC 32889555. Retrieved November 7, 2013 – via University of North Texas Libraries.
  2. ^ a b Bureau of Planning & Community Assistance (February 20, 2015). "NH Public Roads". Concord: New Hampshire Department of Transportation. Retrieved April 7, 2015.