State Trunk Highway 157 (often called Highway 157, STH 157 or WIS 157) is a short 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 east on Main Street from Highway 35

Highway 35 (Wisconsin)

State Trunk Highway 35 is a Wisconsin state highway running north–south across western Wisconsin. It is in length, and is the longest state highway in Wisconsin...

 (Second Avenue) in downtown Onalaska

Onalaska, Wisconsin

Onalaska is a city in La Crosse County, Wisconsin. The 2011 Census Bureau estimates the city had a population of 18,097. It is part of the La Crosse Metropolitan Area....

 to the U.S. Highway 53 freeway. There it turns south, running concurrent with US 53 to the Interstate 90 interchange

Interchange (road)

In the field of road transport, an interchange is a road junction that typically uses grade separation, and one or more ramps, to permit traffic on at least one highway to pass through the junction without directly crossing any other traffic stream. It differs from a standard intersection, at which...

. US 53 leaves Highway 157 to head west on I-90, but Highway 157 continues southeast to Highway 16

Highway 16 (Wisconsin)

State Trunk Highway 16 is a Wisconsin state highway running from Pewaukee across the state to La Crosse. Much of its route in the state parallels the former mainline of the Chicago, Milwaukee, St. Paul and Pacific Railroad . The route parallels I-90 or I-94 for most of its length in the state...

at the Valley View Mall.

According to the La Crosse Area Planning Committee's 2030 Metropolitan Area Transit Plan, the route may not remain Highway 157 forever. The plan suggests that following the completion of an extension project on U.S. Highway 53 (planned for 2012-2015), the Main Street portion will become a local street, with the rest becoming part of Highway 53.http://www.lapc.org/Content/Plans/Plan%20documents/MTP%20Documents/Chapter%2010%20Financial%20Plan_Final.pdf