State Route 142 is a state highway

State highway

State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 in the U.S. state of Utah

Utah

Utah is a state in the Western United States. It was the 45th state to join the Union, on January 4, 1896. Approximately 80% of Utah's 2,763,885 people live along the Wasatch Front, centering on Salt Lake City. This leaves vast expanses of the state nearly uninhabited, making the population the...

. At 17.3 miles (27.8 km) long, it connects the towns of Newton

Newton, Utah

Newton is a town in Cache County, Utah, United States. It was founded in 1869 by LDS Pioneers of The Church of Jesus Christ of Latter-day Saints. The population was 789 at the 2010 census...

, Clarkston

Clarkston, Utah

Clarkston is a town in Cache County, Utah, United States. The population was 666 at the 2010 census. It is included in the Logan, Utah-Idaho Metropolitan Statistical Area....

, Trenton

Trenton, Utah

Trenton is a town in Cache County, Utah, United States. The population was 464 at the 2010 census. It is included in the Logan, Utah-Idaho Metropolitan Statistical Area.-Geography:Trenton is located at ....

, and Richmond

Richmond, Utah

Richmond is a city in Cache County, Utah, United States. The population was 2,470 at the 2010 census. It is included in the Logan, Utah-Idaho Metropolitan Statistical Area. Part of the film Napoleon Dynamite was filmed at Richmond. Richmond is home to three schools. An Elementary school, a middle...

 to US-91 and SR-23 in northern Cache County.

Route description

The route starts at its intersection with SR-23 in Newton

Newton, Utah

Newton is a town in Cache County, Utah, United States. It was founded in 1869 by LDS Pioneers of The Church of Jesus Christ of Latter-day Saints. The population was 789 at the 2010 census...

 and travels about 5 miles (8 km) miles northwest to Clarkston

Clarkston, Utah

Clarkston is a town in Cache County, Utah, United States. The population was 666 at the 2010 census. It is included in the Logan, Utah-Idaho Metropolitan Statistical Area....

. Here the route turns east and travels just over 12 miles (19.3 km) through Trenton

Trenton, Utah

Trenton is a town in Cache County, Utah, United States. The population was 464 at the 2010 census. It is included in the Logan, Utah-Idaho Metropolitan Statistical Area.-Geography:Trenton is located at ....

 and ends in Richmond

Richmond, Utah

Richmond is a city in Cache County, Utah, United States. The population was 2,470 at the 2010 census. It is included in the Logan, Utah-Idaho Metropolitan Statistical Area. Part of the film Napoleon Dynamite was filmed at Richmond. Richmond is home to three schools. An Elementary school, a middle...

 at the intersection with US-91.

History

The state legislature created State Route 142 in 1933, connecting SR-69 (now SR-30) at Petersboro with Newton and Smithfield. SR-142 was moved to the present route of Newton to Clarkston at SR-170 in 1941, with the old alignment through downtown Newton to Smithfield becoming SR-218.

In 1969, SR-170, which ran from Clarkston via Trenton

Trenton, Utah

Trenton is a town in Cache County, Utah, United States. The population was 464 at the 2010 census. It is included in the Logan, Utah-Idaho Metropolitan Statistical Area.-Geography:Trenton is located at ....

 to Richmond

Richmond, Utah

Richmond is a city in Cache County, Utah, United States. The population was 2,470 at the 2010 census. It is included in the Logan, Utah-Idaho Metropolitan Statistical Area. Part of the film Napoleon Dynamite was filmed at Richmond. Richmond is home to three schools. An Elementary school, a middle...

was absorbed into SR-142, and SR-170 was deleted. This completed the current route of SR-142 as it runs today.

Major intersections