State Trunk Highway 80 is a state highway in the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Wisconsin

Wisconsin

Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...

. It runs north–south in southwest and west central Wisconsin from Pittsville

Pittsville, Wisconsin

Pittsville is a city in Wood County, Wisconsin, United States. The population was 866 at the 2000 census.-Geography:Pittsville is located at...

, near the geographic center of the state to the Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

 border near Hazel Green

Hazel Green, Wisconsin

Hazel Green is a village in Grant and Lafayette Counties in the U.S. state of Wisconsin. The population was 1,183 at the 2000 census. The village is located mostly within the Town of Hazel Green in Grant County; only a small portion extends into the Town of Benton in Lafayette...

.

Going south from Pittsville, the terrain is flat until reaching New Lisbon. South of New Lisbon, it enters the driftless area with many rolling hills and curves. The drive is slow, but beautiful. The entire route north of Monfort is largely forested, interspersed with small fields. South of Monfort, the terrain remains hilly, but the land has less forests and more hills.