| United States Numbered Highways of the New Hampshire Highway System | |
|---|---|
  Highway marker for U.S. Routes 3 and 202 | |
| U.S. Routes in New Hampshire highlighted in red | |
| System information | |
| Length | 575.693 mi (926.488 km) |
| Formed | November 11, 1926 |
| 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
| Number | Length (mi) | 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 | Mostly follows the old New England Route 1 | |
 US 2
|
35.437 | 57.030 | US 2 at Lancaster | US 2 at Shelburne | 01926-11-261926 | current | Mostly follows the old New England Route 15 | |
 US 3
|
241.953 | 389.386 | US 3 at Nashua | Route 257 at Pittsburg | 01926-11-261926 | current | Mostly follows the old New England Route 6 | |
 US 4
|
106.834 | 171.933 | US 4 at Lebanon | I-95/US 1 Byp. in Portsmouth | 01926-11-261926 | current | Mostly follows the old New England Route 13 between Lebanon and Franklin | |
 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 | Mostly follows the old New England Route 18 | |
| ||||||||
Special routes
| Number | Length (mi) | 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 | 01940-01-011940 | current | 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 4 Alt.
|
— | — | Andover | Boscawen | — | — | ||
| US 4 Byp.
|
— | — | Concord | Concord | — | — | ||
| US 4 Alt.
|
— | — | East Northwood | Dover | — | — | ||
| US 302 Bus.
|
2.49 | 4.01 | US 302/NH 16 in Bartlett | US 302/NH 16 in Bartlett | — | — | Unsigned, concurrent with NH 16A | |
| ||||||||
See also
References
- 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: United States Geological Survey. OCLC 32889555. Retrieved November 7, 2013 – via Wikimedia Commons.
- ^ Bureau of Planning & Community Assistance (February 20, 2015). "NH Public Roads". Concord: New Hampshire Department of Transportation. Retrieved April 7, 2015.
