State Trunk Highway 50 is a 44.43-mile (71.50 km) state highway in Walworth and Kenosha counties in Wisconsin, United States, that runs from Wisconsin Highway 11 (WIS 11) in Delavan east to Wisconsin Highway 32 (WIS 32) in Kenosha. The highway is maintained by the Wisconsin Department of Transportation.

State Trunk Highway 11 is a state highway running east–west across southern Wisconsin. The highway connects Dubuque, Iowa with the cities of Janesville, Racine and Elkhorn. Most of the route is two-lane road with the exception of an expressway bypass of Monroe, a multilane bypass of Janesville, a section where it is concurrent with I-39 and I-90, a combined freeway/divided highway bypass of Burlington to the south, where it is partially concurrent with WI 36 and WI 83, and urban multilane highway in the greater Racine area.