Wisconsin State Route 20 is a east-west highway in Northeastern Walworth County. It runs from U.S. Rt. 12/Wisconsin State Route 67 to the Walworth/Racine County Line. WI St Rt 20 passes through the following town in Walworth County. East Troy WI St Rt 20 is not multi-plexed in Walworth County. WI St Rt 20 intersects the following highways in Walworth County. U.S. Rt. 12, near La Grange. Wisconsin State Route 67, near La Grange. Interstate 43, near East Troy.
