U.S. Federal Route 218 is a north-south expressway through Central Johnson County. U.S. Rt. 218 passes through the following towns in Johnson County. Iowa City Coralville U.S. Rt. 218 is multi-plexed in Johnson County. Iowa State Route 27, from the Wahsington/Johnson County Line to the Linn/Washington County Line.
Interstate 380, from Interstate 80 to the Linn/Johnson County Line.
U.S. Rt. 218 crosses the following highways in Johnson County. Iowa State Route 1, near Iowa City.
NB U.S. Rt. 218/IA. 27 near Melrose Ave at Iowa City. NB U.S. Rt. 218/IA. 27 near I-80/380, near Coralville. BGS on EB I-80. Overhead signs on EB I-80, near I-380/U.S. Rt. 218/IA St Rt 27. NB I-380/U.S. Rt. 218/IA. 27 just north of I-80. Junction sign on Johnson County Route F28 near North Liberty. SB I-380/U.S. Rt. 218/IA 27 near the North Liberty exit.