U.S. Federal Route 20 runs east-west across La Porte County. This is a main east-west link across the county. It also provides a free alternative to the Indiana East-West Toll Road (Interstate 80/90). U.S. Rt. 20 passes through the following towns in La Porte County. Michigan City
Springville Rolling Prairie
U.S. Rt. 20 is multi-plexed in La Porte County. U.S. Rt. 35, at Michigan City.
U.S. Rt. 20 crosses the following highways in La Porte County. U.S. Rt. 421, at Michigan City.