U.S. Federal Route 18 runs briefly in Southwestern Crawford County. This runs from the Iowa/Wisconsin State Line to the Grant/Crawford County Line, near Bridgeport. U.S. Rt. 18 passes through the following towns in Crawford County. Prairie du Chien
Bridgeport
U.S. Rt. 18 is multi-plexed in Crawford County. Wisconsin State Route 60, from Prairie du Chien to Bridgeport.
EB U.S. Rt. 18/WI St Rt 60 at the Wisconsin State Line. EB U.S. Rt. 18/WI St Rt 60 at the east channel of the Mississippi River. EB U.S. Rt. 18/WI St Rt 60 west of Prairie du Chien. EB U.S. Rt. 18/WI St Rt 60 at the Wisconsin Welcome sign. The Wisconsin Welcome sign on EB U.S. Rt. 18/WI St Rt 60. EB U.S. Rt. 18/SB WI St Rt 35 near the Grant/Crawford County Line.