List of state routes in New Hampshire

The following is a list of state routes in the U.S. state of New Hampshire. All routes in the state are maintained by the New Hampshire Department of Transportation. New Hampshire route markers feature the profile of the Old Man of the Mountain.

New Hampshire Highway System
Standard highway markers for longest New Hampshire Routes
Highway names
InterstatesInterstate X (I-X)
US HighwaysU.S. Route n (US X or Route X)
StateNew Hampshire Route X (NH X or Route X)
System links

Primary routes

Number Length (mi)[1] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
NH 4 3.8076.127 NH 9 / NH 108 in DoverSR 4 in South Berwick, ME Unrelated to US 4, which also runs through Dover
NH 9 109.910176.883 VT 9 in Brattleboro, VTSR 9 in Berwick, ME 01925-01-011925current Mostly follows the old New England Route 9
NH 10 122.476197.106 MA 10 in Northfield, MAUS 302 in Haverhill 01922-01-011922current Mostly follows the old New England Route 10; Signed along US 302 from Haverhill to Littleton, but not part of official route
NH 11 108.223174.168 VT 11 in Springfield, VTUS 202 / SR 11 in Lebanon, ME Mostly follows the old New England Route 11
NH 12 62.773101.023 MA 12 in Winchendon, MAVT 12 in Ascutney, VT Mostly follows the old New England Route 12
NH 13 43.36869.794 MA 13 in Townsend, MAUS 202 / NH 9 in Concord
NH 16 154.771249.080 I95 / US 1 Byp. / US 4 in PortsmouthSR 16 in Magalloway Plantation, ME 01926-01-011926current Mostly follows the old New England Route 16; Southernmost 33.259 miles (53.525 km) concurrent with Spaulding Turnpike
NH 17 0.20.3 MA 17 (now US 1) in Salisbury, MAUS 1 in Seabrook 01953-01-01195301959-01-011959 Section of US 1 was designated MA 17/NH 17 during construction of I95
NH 18 20.11632.374 I93 / US 3 in FranconiaVT 18 in Waterford, VT 01922-01-011922current Mostly follows the old New England Route 18 that did not become US 302
NH 25 96.630155.511 VT 25 in Bradford, VTSR 25 in Porter, ME Mostly follows the old New England Route 25
NH 26 30.84749.643 VT 26 to VT 102 in Lemington, VTSR 26 in Upton, ME 01925-01-011925current Mostly follows the old New England Route 26
NH 27 37.62160.545 US 3 / NH 28 in HooksettNH 1A in Hampton Beach
NH 28 85.413137.459 MA 28 in Methuen, MANH 16 in Ossipee Mostly follows the old New England Route 28
NH 31 56.14890.361 MA 31 in Ashby, MANH 10 in Goshen
NH 32 14.13922.755 MA 32 in Royalston, MANH 12 in Keene Mostly follows the old New England Route 32
NH 33 9.09014.629 NH 108 in StrathamUS 1 in Portsmouth 01994-01-011994current Former routing of eastern segment of NH 101
NH 38 8.714.0 MA 38 in Dracut, MANH 28 in Salem
NH 41 5.0338.100 NH 16 in OssipeeNH 113 in Madison
NH 43 16.41826.422 NH 101 in CandiaUS 4 / US 202 / NH 9 in Northwood
NH 45 5.9819.625 NH 123 in GreenvilleNH 101 in Temple
NH 47 7.14811.504 NH 136 in FrancestownUS 202 / NH 31 in Bennington
NH 49 11.29718.181 US 3 in CamptonWest Branch Road in Waterville Valley
NH 51 NH 108 in StrathamNH 1A in Hampton Beach 01980-01-01c.198001994-01-011994 Redesignated NH 101 in 1994
NH 63 21.51434.623 MA 63 in Northfield, MANH 12 in Westmoreland
NH 75 5.4538.776 NH 11 in FarmingtonNH 125 in Milton
NH 77 17.87428.765 NH 13 / NH 136 in New BostonNH 13 in Dunbarton
NH 78 3.4565.562 MA 78 in Warwick, MANH 10 / NH 119 in Winchester
NH 84 4.1846.733 NH 150 in KensingtonUS 1 in Hampton Falls
NH 85 4.8547.812 NH 27 / NH 111A in ExeterNH 108 in Newfields
NH 86 2.3563.792 MA 86 (now MA 286) in Salisbury, MANH 1A in Seabrook 01971-01-011971 Redesignated NH 286 in 1971
NH 87 6.31710.166 NH 125 in EppingNH 85 in Hampton Falls
NH 88 6.67610.744 NH 108 in ExeterUS 1 in Hampton Falls
NH 97 2.5634.125 NH 28 in SalemMA 97 in Haverhill, MA
NH 101 95.189153.192 NH 9 / NH 10 / NH 12 in KeeneNH 1A in Hampton Beach
NH 102 23.95638.553 NH 3A / NH 111 in HudsonNH 107 in Raymond
NH 103 48.30077.731 NH 12 / NH 12A in ClaremontUS 202 / NH 9 in Hopkinton
NH 104 23.35037.578 US 4 in DanburyUS 3 in Meredith
NH 106 34.53555.579 US 3 in PembrokeUS 3 in Meredith
NH 107 69.108111.219 US 1 in SeabrookUS 3 in Laconia
NH 108 42.43068.284 MA 108 in Haverhill, MANH 125 / NH 202A in Rochester
NH 109 41.02966.030 SR 109 in Acton, MENH 113 in Sandwich
NH 110 24.85640.002 US 3 in NorthumberlandNH 16 in Berlin
NH 111 50.02680.509 MA 111 in Pepperell, MANH 1A in North Hampton
NH 112 56.38790.746 US 302 / NH 10 in BathNH 16 / NH 113 in Conway
NH 113 40.45665.108 US 3 / NH 25 in HoldernessUS 302 in Conway
NH 114 60.43397.257 NH 101 in BedfordNH 10 in Grantham
NH 115 9.69715.606 US 3 in CarrollUS 2 in Jefferson
NH 116 48.60578.222 NH 10 in HaverhillUS 2 in Jefferson
NH 117 8.09513.028 US 302 / NH 10 in LisbonNH 18 / NH 116 in Franconia
NH 118 37.00359.551 US 4 in CanaanNH 112 in Woodstock
NH 119 39.90864.226 VT 119 to US 5 / VT 142 in Brattleboro, VTMA 119 in Ashburnham, MA
NH 120 26.92843.336 NH 11 / NH 103 in ClaremontNH 10 in Hanover
NH 121 22.55536.299 North Main Street to MA 125 in Haverhill, MANH 28 Bypass in Manchester
NH 122 12.61420.300 Hollis Street in Pepperell, MANH 101 in Amherst
NH 123 63.055101.477 VT 123 to US 5 in Westminster, VTMason Road in Townsend, MA
NH 124 28.08345.195 NH 101 in MarlboroughTurnpike Road in Townsend, MA
NH 125 51.99483.676 MA 125 in Haverhill, MANH 16 / NH 153 in Wakefield
NH 126 15.26524.567 NH 9 in BarringtonNH 28 in Barnstead
NH 127 31.63650.913 US 202 / NH 9 in HopkintonNH 132 in Sanbornton
NH 128 16.05925.844 Mammoth Road in Dracut, MANH 28 in Londonderry
NH 129 8.72414.040 South Village Road in LoudonNH 107 in Gilmanton
NH 130 12.73920.501 NH 13 in BrooklineNH 101A in Nashua
NH 132 40.11264.554 NH 9 in ConcordUS 3 / NH 25 in Ashland Formerly NH 3B
NH 135 46.67875.121 NH 10 in WoodsvilleUS 2 / US 3 in Lancaster
NH 136 17.45928.098 US 202 / NH 123 in PeterboroughNH 13 / NH 77 in New Boston
NH 137 16.58326.688 US 202 / NH 124 in JaffreyUS 202 in Hancock
NH 140 21.14234.025 I93 / US 3 / NH 11 / NH 132 in TiltonNH 11 / NH 28A in Alton
NH 141 2.1723.495 NH 18 in FranconiaUS 3 in Franconia
NH 142 19.68831.685 NH 18 in FranconiaNH 135 in Dalton
NH 145 13.13321.136 US 3 in ColebrookUS 3 in Pittsburg
NH 149 13.75622.138 US 202 / NH 9 in HillsboroughNH 77 to NH 114 in Weare
NH 150 5.7439.242 MA 150 in Amesbury, MANH 108 in Kensington
NH 151 6.37010.252 US 1 in North HamptonNH 33 in Greenland
NH 152 15.44924.863 US 4 in NorthwoodNH 108 in Newmarket
NH 153 50.56681.378 NH 11 in FarmingtonNH 16 / NH 113 in Conway 1.953 miles (3.143 km) of the route run within Maine
NH 155 11.25918.120 NH 125 in EppingNH 9 in Dover
NH 156 6.42410.338 NH 27 / NH 107 in RaymondNH 152 in Nottingham
NH 171 15.19424.452 NH 109 in MoultonboroughNH 16 in Ossipee
NH 175 25.26140.654 US 3 / NH 25 in HoldernessUS 3 in Woodstock
NH 236 2.5894.167 NH 108 in SomersworthSR 9 in Berwick, ME Implied continuation with Maine State Route 236
NH 286 2.3563.792 MA 286 in Salisbury, MANH 1A in Seabrook 01971-01-011971current Formerly NH 86; continuation of MA 286
  •       Former

Auxiliary routes

Number Length (mi)[1] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
NH 1A 18.40529.620 Route 1A in Salisbury, MAUS 1 in Portsmouth
NH 1B 4.8087.738 NH 1A in PortsmouthUS 1 in Portsmouth
NH 3A 39.41263.427 Route 3A in TyngsboroughUS 3 in Concord Southern segment
NH 3A 31.01549.914 US 3 / NH 11 / NH 127 in FranklinI93 / US 3 / NH 25 in Plymouth Northern segment
NH 3B 40.0864.50 NH 9 in ConcordUS 3 / NH 25 in Ashland Redesignated NH 132
NH 4A 23.95538.552 NH 11 in AndoverUS 4 in Lebanon Auxiliary of US 4
NH 9A 2.3203.734 NH 9 in ChesterfieldNH 9 in Chesterfield
NH 10A 0.5480.882 VT 10A to I-91 / US 5 in Norwich, VTNH 10 in Hanover
NH 11A 12.85220.683 US 3 / NH 11 in BelmontNH 11 in Alton
NH 11B 5.1858.344 NH 11A in GilfordUS 3 in Laconia
NH 11C 1.7342.791 NH 11 in GilfordNH 11B in Gilford
NH 11D 3.295.29 NH 11 in AltonNH 11 in Alton
NH 12A 21.59834.759 NH 12 in KeeneNH 12 in Charlestown Southern segment
NH 12A 26.90043.291 NH 12 in CharlestownUS 4 / NH 10 in Lebanon Northern segment
NH 16A 2.4843.998 US 302 / NH 16 in BartlettUS 302 / NH 16 in Bartlett Southern segment; unsigned US 302 Business
NH 16A 1.0291.656 NH 16 in JacksonNH 16 in Jackson Northern segment
NH 16A NH 16 (now NH 108) near DoverNH 16 (now NH 108) near Somersworth overlapped NH 9 and NH 236
NH 16B 5.3818.660 NH 16A in JacksonNH 16A in Jackson
NH 16B 2.524.06 NH 16 in Center OssipeeNH 16 in Center Ossipee old alignment of NH 16 through the village of Center Ossipee
NH 16B NH 16 (now NH 108) near DoverNH 125 near Rochester now Old Dover Road
NH 16B NH 16 in Laskey CornerNH 16 near Wakefield mostly became part of NH 125 and NH 153; rest is now Wakefield Road
NH 25A 15.02924.187 VT 25A to US 5 in Fairlee, VTNH 25 / NH 118 in Wentworth
NH 25B 3.2465.224 US 3 / NH 25 in Center HarborNH 25 in Center Harbor
NH 25C 13.21821.272 NH 10 / NH 25 in PiermontNH 25 / NH 118 in Warren
NH 28 Bypass 14.12422.730 NH 28 in DerryUS 3 / NH 28 in Hooksett
NH 28A 7.62312.268 NH 28 in LondonderryUS 3 / NH 28 in Hooksett Southern segment
NH 28A 3.7165.980 NH 11 / NH 28 in AltonNH 28 in Alton Northern segment
NH 101A 13.81922.240 NH 101 in MilfordNH 111 in Nashua
NH 101B 8.513.7 US 3 / NH 28 in HooksettNH 101 in Candia Historic western segment, currently part of NH 27 and NH 43
NH 101B Islington Street/Middle Road in Portsmouth (formerly NH 101, currently NH 33)NH 1B in Portsmouth 01971-01-011971 Historic eastern segment, redesignated NH 101
in 1971, then NH 33 in 1994. The section east of US 1 has been unnumbered since 1971.
NH 101C NH 108 in ExeterNH 1A in Hampton Redesignated NH 27
NH 101D NH 27 in HamptonNH 1A in Hampton Entire route redesignated NH 111
NH 101E 2.3573.793 US 1 in HamptonNH 1A in Hampton Poorly signed, known locally as Winnacunnet Road.
Has never connected with NH 101, its "parent", or any of its spurs.
NH 103A 7.72012.424 NH 103 in NewburyNH 11 in New London
NH 103B 3.4415.538 NH 103 in NewburyNH 11 in Sunapee
NH 107A 6.34910.218 South Hampton Road in Amesbury, MANH 107 in Kingston
NH 109A 8.74314.070 NH 28 / NH 109 in WolfeboroNH 109 in Tuftonboro
NH 110A 3.8976.272 NH 110 in MilanNH 16 in Dummer
NH 110B 4.6267.445 NH 110A in MilanNH 16 in Milan
NH 111A 4.9357.942 NH 111 in HollisEverett Turnpike / US 3 / NH 111 in Nashua Western segment
NH 111A 9.17314.763 NH 128 in PelhamNH 111 in Nashua Middle segment
NH 111A 15.02424.179 NH 111 in DanvilleNH 27 / NH 108 / NH 111 in Exeter Eastern segment
NH 113A 13.22221.279 NH 113 in SandwichNH 113 in Tamworth
NH 113B 3.956.36 SR 113 in Stow, MESR 113 in Stow, ME Auxiliary of Maine State Route 113; 1.00 mile (1.61 km) of the route runs within Maine.
NH 114A 3.6965.948 NH 114 in GoffstownI293 / US 3 / NH 3A in Manchester
NH 115A 4.1286.643 NH 115 in JeffersonUS 2 in Jefferson
NH 115B 1.52.4 NH 115A in JeffersonNH 115 in Jefferson
NH 121A 15.14424.372 Route 125 in Haverhill, MANH 121 in Chester
NH 123A 4.2166.785 West Road in Ashby, MANH 123 / NH 124 in New Ipswich
NH 123A 10.07016.206 NH 123 in AlsteadNH 10 in Marlow
NH 155A 3.6995.953 NH 155 in LeeNH 155 in Lee
NH 175A 0.8061.297 US 3 / NH 25 in PlymouthNH 175 in Holderness
NH 202A 14.63923.559 US 202 / NH 9 in NorthwoodNH 108 / NH 125 in Rochester Loop of U.S. Route 202
  •       Former

References

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