New Hampshire Route 10
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| Route information | ||||
| Maintained by NHDOT | ||||
| Length: | 122.25 mi[1] (196.74 km) | |||
| Existed: | 1922 – present | |||
| Major junctions | ||||
| South end: |  Route 10 in Winchester |
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| North end: |  US 302 at Haverhill |
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| Highway system | ||||
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New Hampshire Route 10 (NH 10) is a north–south state highway in the U.S. state of New Hampshire. Its southern terminus is at the Massachusetts state line in the town of Winchester. In Massachusetts the highway becomes Massachusetts Route 10. Total length of the highway is 122.25 miles (196.74 km).
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[edit] Route description
NH 10 begins at the Massachusetts state line in Winchester, New Hampshire. The road continues into Keene (where it has a short concurrency with NH 9). From Keene, NH 10 travels north via Newport until Grantham. It then runs along I-89 from Grantham to Lebanon. After exiting I-89 and running briefly on US 4, NH-10 then travels along the east bank of the Connecticut River from Lebanon up to its northern terminus at US 302 in Woodsville. Signage for Route 10 continues, however, all the way to Littleton; this portion of the road is co-signed with U.S. 302 until reaching Interstate 93 in Littleton.
In Hanover, NH Route 10 has what is essentially a short spur to Vermont, NH-10A.
[edit] History
[edit] Major intersections
| County | Location | Mile | Destinations | Notes |
|---|---|---|---|---|
| Cheshire |
Winchester | 0.0 | Route 10 south |
State line |
| 4.4 |  NH 119 NH 78 |
Begin overlap with NH 119 | ||
| 4.9 | NH 119 |
End overlap with NH 119 | ||
| Keene | 16.7 |  NH 12 south |
Begin overlap with NH 12 | |
| 17.2 |  NH 9 west |
Begin overlap with NH 9 | ||
| NH 12 north |
End overlap with NH 12 | |||
| 21.2 | NH 9 east |
End overlap with NH 9 | ||
| Marlow | 32.6 |  NH 123 |
Begin overlap with NH 123 | |
| 33.6 | NH 123 |
End overlap with NH 123 | ||
| 38.0 |  NH 123A |
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| Sullivan |
Goshen | 47.6 |  NH 31 |
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| Newport | 52.9 |   NH 11 / NH 103 west |
Begin overlap | |
| 53.1 | NH 11 / NH 103 east |
End overlap | ||
| Grantham | 63.3 |  NH 114 |
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| Sullivan– Grafton |
Grantham– Enfield |
64.0 |  I-89 south |
NH 10 joins I-89 at exit 13 |
| Grafton |
Lebanon | 79.2 | I-89 north US 4 east |
NH 10 leaves I-89 at exit 19; begin overlap with US 4 |
| 81.3 | US 4 west |
End overlap with US 4 | ||
| Hanover | 85.6 |  NH 120 NH 10A |
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| Orford | 102.7 |  NH 25A |
Begin overlap | |
| 103.1 | NH 25A |
End overlap | ||
| Piermont | 108.9 |  NH 25 west NH 25C |
Begin overlap with NH 25 | |
| Haverhill | 114.2 | NH 25 east |
End overlap with NH 25 | |
| 118.1 |  NH 116 |
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| 121.3 |  NH 135 |
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| 122.2 | US 302 |
Northern terminus | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | ||||
[edit] Related routes
NH 10A is an east–west highway in Hanover. It is known as the shortest state highway in New Hampshire.
The eastern terminus of Route 10A is in the center of Hanover at the junction with NH-10, which is Main Street. The western terminus of NH-10A is on the bridge over the Connecticut River, which is the border with Vermont. The road continues into Vermont and becomes Main Street in the town of Norwich. Total length of NH-10A is approximately 0.6 mile (0.9 km). This road is locally named West Wheelock Road in Hanover.
