New Hampshire Highway System
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State Highways
The state maintains 4,814 miles of roads, of which 2,567 miles are numbered routes and 1,465 miles are unnumbered roadways making up the State’s secondary roadway system. The state has 557 miles of primary highways, which it defines as highways that "connect population centers, other NHS routes within the state, and other NHS routes in the surrounding states: Vermont, Maine, and Massachusetts." The remaining 12,215 miles of roads are maintained typically by the towns and cities traversed by these roads.Highways assigned a number by the NHDOT are officially known as "New Hampshire Route X", often abbreviated "NH Route X" or simply "Route X".
Many minor state highways are not assigned numbers, only local names.
Turnpike System
The NHDOT Bureau of Turnpikes is responsible for maintenance of the public toll roads in New Hampshire:
- Everett Turnpike or Centeral Turnpike (partly U.S. Route 3, Interstate 293 and Interstate 93)
- Eastern Turnpike which is made up of the following two turnpikes:
- *Blue Star Turnpike (Interstate 95)
- *Spaulding Turnpike (NH Route 16 and partly U.S. Route 4)
National Highway System
782 miles of the state maintained roads, are a part of the National Highway System (NHS). Of the NHS roads in the state, 225 miles are Interstate highways (35 miles of which are also on the New Hampshire Turnpike System; 52 miles of non-interstate turnpike highways; and 505 miles of non-interstate and non-turnpike highways.
Classification of state highways
New Hampshire [RSA 229:5 Classification.] sets out the seven different classes of highways in the state:- Class I – all portions of the turnpikes and the national system of interstate and defense highways, and all existing or proposed highways on the primary state highway system, excepting all portions of highways within the compact sections of the cities and towns listed in RSA 229:5, V., which aren't part of the state or national turnpike system or are defense highways
- Class II – all existing or proposed highways on the secondary state highway system, excepting all portions of such highways within the compact sections of the cities and towns listed in RSA 229:5, V.
- Class III – all recreational roads leading to, and within, state reservations designated by the General Court
- Class III-a – boating access highways from any existing highway to any public water in this state.
- Class IV – all highways within the compact sections of cities and towns listed in RSA 229:5, V., which are not Class I or II highways
- Class V – all other traveled highways which a town has the duty to maintain regularly and shall be known as town roads
- Class VI – all other existing public ways, including all highways discontinued as open highways and made subject to gates and bars, except Class III-a roads, and all highways which have not been maintained and repaired by the town for travel thereon for 5 or more successive years
List of routes
- Former Routes are listed in italics.
- Maine's Route 110 and Route 113 enter New Hampshire; NH Route 113B is a loop off Maine's Route 113.
Unnumbered State Highways
Several Unnumbered roads also are maintained by the state, these include:
- The Circumferential Highway in Nashua & Hudson (the portion that is built)
- Daniel Webster Highway in South Nashua
See also
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External links
| Numbered highways in the United States | |
|---|---|
| National systems | Interstate Highways | U.S. Routes |
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| Other areas | District of Columbia | American Samoa | Guam | Puerto Rico | Virgin Islands |
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