 New Hampshire Route 175 | ||||
|---|---|---|---|---|
 Map of Grafton County in northwestern New Hampshire with NH 175 highlighted in red | ||||
| Route information | ||||
| Maintained by NHDOT | ||||
| Length | 25.261 mi[1] (40.654 km) | |||
| Major junctions | ||||
| South end |   US 3 / NH 25 in Holderness | |||
| North end | US 3 in Woodstock | |||
| Location | ||||
| Country | United States | |||
| State | New Hampshire | |||
| Counties | Grafton | |||
| Highway system | ||||
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New Hampshire Route 175 (NH 175) is a state highway in the U.S. state of New Hampshire. The highway runs north 25.261 miles (40.654 km) from an intersection in Holderness with U.S. Route 3 and New Hampshire Route 25 to an intersection with US 3 in Woodstock.
NH 175 is a minor highway that parallels US 3 and Interstate 93 through the valley of the Pemigewasset River. NH 175 has a secondary spur road, NH 175A, which connects it to downtown Plymouth.