U.S. Federal Route 6 runs east-west across Johnson County. This is one of the main surface highways in the Iowa City Metro Area. U.S. Rt. 6 passes through the following towns in Johnson County. Tiffin
Coralville Iowa City
U.S. Rt. 6 is multi-plexed in Johnson County. Iowa State Route 1, at Iowa City.
EB U.S. Rt. 6 at the Iowa/Johnson County Line. WB U.S. Rt. 6 near Kent Park. WB U.S. Rt. 6 west of Tiffin. EB U.S. Rt. 6 near Main in Tiffin. A BGS on EB I-80. A BGS on EB I-80. A BGS on WB I-80. A junction marker on NB IA St Rt 1. EB U.S. Rt. 6 at the Iowa River. WB U.S. Rt. 6 on the southside of Iowa City. WB U.S. Rt. 6 at the Muscatine/Johnson County Line.
