In Grundy County, U.S. Rt. 6 runs east-west. It is the main surface route north of the Illinois River. This provides a scenic alternative to Interstate 80, which runs just to the north. U.S. Rt. 6 passes through the following towns in Grundy County. Morris
U.S. Rt. 6 is multi-plexed in Grundy County Illinois State Route 47, in Morris, from Bedford Road north to Green Acres Drive.