New Hampshire Highway System

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Standard marker for New Hampshire Routes, featuring the Old Man of the Mountain

The New Hampshire Highway System is the public roads system of the U.S. state of New Hampshire containing approximately 17,029 miles maintained by the New Hampshire Department of Transportation. All public roads in the state are called "highways", thus there is no technical distinction between a "road" or a "highway" in New Hampshire.

Contents

[edit] 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.

[edit] Turnpike System

The NHDOT Bureau of Turnpikes is responsible for maintenance of the public toll roads in New Hampshire:

[edit] 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.

[edit] 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

Under RSA 229:5, V. the Commissioner of Transportation may establish compact sections in the following cities and towns:

   

[edit] Numbered State Highways

1-27 28-105 106-127 128-999 Other Routes

U.S. Route 1
U.S. Route 1 Bypass
NH Route 1A
NH Route 1B
U.S. Route 2
U.S. Route 3

U.S. 3 Business
NH Route 3A
U.S. Route 4
NH Route 4
NH Route 4A
NH Route 9
NH Route 9A
NH Route 10
NH Route 10A
NH Route 11
NH Route 11A
NH Route 11B
NH Route 11C
NH Route 11D
NH Route 12
NH Route 12A
NH Route 13
NH Route 16
NH Route 16A
NH Route 16B
NH Route 18
NH Route 25
NH Route 25A
NH Route 25B
NH Route 25C
NH Route 26
NH Route 27

NH Route 28
NH Route 28A
NH Route 28 Bypass
NH Route 31
NH Route 32
NH Route 33
NH Route 38
NH Route 41
NH Route 43
NH Route 45
NH Route 47
NH Route 49
NH Route 63
NH Route 75
NH Route 77
NH Route 78
NH Route 84
NH Route 85
NH Route 87
NH Route 88
Interstate 89
Interstate 93
Interstate 95
NH Route 97
NH Route 101

NH 101 Business
NH Route 101A

NH 101A Bypass
NH Route 101E
NH Route 102
NH Route 103
NH Route 103A
NH Route 103B
NH Route 104

NH Route 106
NH Route 107
NH Route 107A
NH Route 108
NH Route 109
NH Route 109A
NH Route 110
NH Route 110A
NH Route 110B
NH Route 111
NH Route 111A
NH Route 112
NH Route 113
NH Route 113A
NH Route 113B
NH Route 114
NH Route 114A
NH Route 115
NH Route 115A
NH Route 116
NH Route 117
NH Route 118
NH Route 119
NH Route 120
NH Route 121
NH Route 121A
NH Route 122
NH Route 123
NH Route 123A
NH Route 124
NH Route 125
NH Route 126
NH Route 127

NH Route 128
NH Route 129
NH Route 130
NH Route 132
NH Route 135
NH Route 136
NH Route 137
NH Route 140
NH Route 141
NH Route 142
NH Route 145
NH Route 149
NH Route 150
NH Route 151
NH Route 152
NH Route 153
NH Route 155
NH Route 155A
NH Route 156
NH Route 171
NH Route 175
NH Route 175A
U.S. Route 202
NH Route 202A
NH Route 236
NH Route 286
Interstate 293
U.S. Route 302

U.S. 302 Business
Interstate 393

Unnumbered Routes
Everett Turnpike
Spaulding Turnpike





Other state's route numbers posted in New Hampshire:
Route 105 (Vermont)
Route 110 (Maine)
Route 113 (Maine)





Former Numbered Routes
NH Route 3B
U.S. Route 5
NH Route 51
NH Route 86
I-89 Business Loop
NH Route 101B
NH Route 101C
NH Route 101D
Interstate 193

[edit] Unnumbered State Highways

Several unnumbered roads also are maintained by the state, including:

[edit] See also

[edit] External links

Numbered highways in the United States
National systems Interstate Highways | U.S. Routes
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