New Hampshire Route 175 (NH 175) is a

state highway A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...

in the U.S. state of New Hampshire. The highway runs north 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 Interstate 93 (I-93) is an Interstate Highway in the New England states of Massachusetts, New Hampshire, and Vermont in the United States. Spanning approximately along a north–south axis, it is one of three primary Interstate Highways ...

through the valley of the Pemigewasset River. NH 175 has a secondary spur road, NH 175A, which connects it to downtown

Plymouth Plymouth () is a port city and unitary authority in South West England. It is located on the south coast of Devon, approximately south-west of Exeter and south-west of London. It is bordered by Cornwall to the west and south-west. Plymouth ...

Route description

NH 175 begins at an intersection with US 3 and NH 25 (Daniel Webster Highway) at Little Squam Lake in the town of Holderness. The state highway heads north and then west through a hilly area where it briefly passes through the town of Ashland before returning to Holderness. NH 175 enters the valley of the Pemigewasset River and passes by the historic Trinity Church and near the Holderness School and the Chapel of the Holy Cross. North of the school and churches, the highway meets the eastern end of its spur into Plymouth and

Plymouth State University Plymouth State University (PSU), formerly Plymouth State College, is a public university in the towns of Plymouth and Holderness, New Hampshire. As of fall 2020, Plymouth State University enrolls 4,491 students (3,739 undergraduate students ...

, NH 175A. NH 175 continues north parallel to the river and I-93 and US 3, which follow the opposite, right bank of the river, into the town of Campton. The highway crosses the

Beebe River The Beebe River is a river located in the White Mountains of New Hampshire in the United States. It is a tributary of the Pemigewasset River, part of the Merrimack River watershed. The Beebe River begins at Black Mountain Pond on the southern ...

and parallels the Mad River to its bridge over the river immediately to the south of the highway's junction with NH 49. NH 175 passes through the town of Thornton and its name becomes Eastside Road on entering the town of Woodstock. The highway passes under I-93, has two crossings of the Pemigewasset River, and intersects Tripoli Road, which has a diamond interchange with I-93 immediately to the east. NH 175 has an oblique grade crossing of the

Hobo Railroad The Plymouth & Lincoln Railroad is a class III shortline railroad operating on the Concord-Lincoln rail line in central New Hampshire, United States. The railroad consists of two distinct passenger operations, the Hobo Railroad, which offers pass ...

before crossing the river a third time on a truss bridge and reaching its northern terminus at US 3 (Daniel Webster Highway) just south of the community of North Woodstock.

Major intersections

Suffixed route

New Hampshire Route 175A (NH 175A) is a

spur route A spur route is a short road forming a branch from a longer, more important road such as a freeway, Interstate Highway, or motorway. A bypass or beltway should not be considered a true spur route as it typically reconnects with another or the s ...

of NH 175 in the towns of Plymouth and Holderness. The highway begins as the east leg of a

roundabout A roundabout is a type of circular intersection or junction in which road traffic is permitted to flow in one direction around a central island, and priority is typically given to traffic already in the junction.''The New Shorter Oxford En ...

in downtown Plymouth, which is dominated by the campus of

. The north and south legs of the roundabout consist of Main Street, which carries US 3 and NH 25; the west leg is town-maintained High Street. NH 175A has a grade crossing of a railroad and crosses over the Pemigewasset River into Holderness. The highway passes through the athletic complex of the university before reaching its four-ramp

partial cloverleaf A partial cloverleaf interchange or parclo is a modification of a cloverleaf interchange. The design has been well received, and has since become one of the most popular freeway-to-arterial interchange designs in North America. It has also bee ...

interchange with I-93. East of I-93, NH 175A has its eastern terminus at NH 175.

References

External links

{{Attached KML
New Hampshire State Route 175
on Flickr
New Hampshire State Route 175A
on Flickr

175 Year 175 ( CLXXV) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Piso and Iulianus (or, less frequently, year 928 ''Ab urbe condita ...

Transportation in Grafton County, New Hampshire