New Hampshire Route 12
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| Route information | ||||
| Maintained by NHDOT | ||||
| Length: | 62.64 mi[1] (100.81 km) | |||
| Major junctions | ||||
| South end: |  Route 12 in Fitzwilliam |
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 NH 101  NH 10  NH 9 in Keene |
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| North end: |  VT 12 in Claremont |
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| Highway system | ||||
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→New Hampshire Route 12 is a north-south state highway running across the western portion of New Hampshire from the Massachusetts state line to the Vermont state line at the Connecticut River.
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[edit] Route description
Route 12 begins at the Massachusetts state line in Fitzwilliam. It goes through Keene, then travels along the east bank of the Connecticut River until Claremont. From there, it crosses the Connecticut River into Vermont.
[edit] History
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[edit] Junction list
| Town | Milepost | Junction | Notes |
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| Fitzwilliam | 5.5 |  NH 119 |
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| Keene | 17.0 |  NH 32 |
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| 17.9 |  NH 101 East |
Begin overlap with NH 101 | |
| 18.7 |  NH 10 South |
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 NH 9 West |
End overlap with NH 101 (western terminus of NH 101) | ||
| 20.6 | NH 9 East / NH 10 North |
Grade-separated | |
| 22.0 |  NH 12A |
Southern segment (southern terminus) | |
| Westmoreland | 30.3 |  NH 63 |
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| Walpole | 36.0 |  NH 123 West to  US 5 |
Begin overlap |
| 38.8 | NH 123 East |
End overlap | |
| 40.4 | To U.S. Route 5 |
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| Charlestown | 43.7 | NH 12A |
Southern segment (northern terminus} |
| 48.4 |  NH 11 West |
Begin overlap with NH 11 To U.S. Route 5 |
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| NH 12A |
Northern segment (southern terminus) | ||
| Claremont | NH 11 East /  NH 103 East |
End overlap with NH 11 Begin overlap with NH 103 |
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| 62.1 | NH 12A |
End overlap with NH 103 (western terminus of NH 103) |
[edit] New Hampshire Route 12A
New Hampshire Route 12A is a designation held by two separate state highways in the U.S. state of New Hampshire. Although not directly connected, the two segments are linked by a 9-mile (14 km) section of New Hampshire Route 12.
[edit] Southern segment
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| Location: | Keene-Charlestown |
| Length: | 21.56 mi[1] (34.70 km) |
The southern segment of NH 12A is a 21.56-mile (34.70 km) long loop route that runs southwest and south from Charlestown to Keene. The northern terminus is at NH 12 south of Charlestown. The southern terminus is at an interchange with NH 12 northwest of Keene.
[edit] Northern segment
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| Location: | Charlestown-W. Lebanon |
| Length: | 26.89 mi[1] (43.28 km) |
The northern segment of NH 12A is a 26.89-mile (43.28 km) long spur route that runs north–south along the eastern side of the Connecticut River. The northern terminus is at U.S. Route 4 and New Hampshire Route 10 in West Lebanon. The southern terminus is at NH 12 north of Charlestown.
[edit] Related routes
New England Interstate Route 12, the designation carried by NH 12 in the 1920s
