List of U.S. Routes in New Hampshire

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.

United States Numbered Highways of the New Hampshire Highway System
Highway marker for U.S. Routes 3 and 202
System information
FormedNovember 11, 1926[1]
Highway names
US HighwaysU.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

Mainline highways

Number Length (mi)[2] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 1 17.04427.430 US 1 at SeabrookUS 1 at Portsmouth 01926-11-261926current Mostly follows the old New England Route 1
US 2 35.43757.030 US 2 at LancasterUS 2 at Shelburne 01926-11-261926current Mostly follows the old New England Route 15
US 3 241.953389.386 US 3 at NashuaRoute 257 at Pittsburg 01926-11-261926current Mostly follows the old New England Route 6
US 4 106.83171.93 US 4 at LebanonI-95/US 1 Byp. in Portsmouth 01926-11-261926current Mostly follows the old New England Route 13 between Lebanon and Franklin
US 5 4.57.2 Dwinnell St in WalpoleArch Bridge in North Walpole 01927-01-01192701929-01-011929 Temporarily routed into NH along part of what is now NH 12
US 202 95.270153.322 US 202 at RindgeUS 202 at Rochester 01935-01-011935current
US 302 79.155127.388 US 302 at HaverhillUS 302 at Conway 01935-01-011935current Mostly follows the old New England Route 18
  •       Former

Special routes

Number Length (mi)[2] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 1 Byp. 2.7564.435 US 1 in PortsmouthUS 1 Byp. at Portsmouth Highway continues into Maine

US 3 Bus.
4.1446.669 US 3 & NH 11 in BelmontUS 3 in Laconia Unsigned, concurrent with NH 107 and NH 11A

US 3 Bus.

US 3 Byp.

US 3 Byp.

US 4 Alt.
AndoverBoscawen

US 4 Byp.
ConcordConcord

US 4 Alt.
East NorthwoodDover

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

See also

  •  U.S. Roads portal

References

  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. Bureau of Planning & Community Assistance (February 20, 2015). "NH Public Roads". Concord: New Hampshire Department of Transportation. Retrieved April 7, 2015.
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