Roads of the Mid-South & West > Highways of the State of Iowa > U.S. Federal Route 18, Iowa
 | U.S. Federal Route 18 |
U.S. Federal Route 18 runs east-west across Northern Iowa. This runs from the Iowa/South Dakota State Line, near Beloit, to the Iowa/Wisconsin State Line, near Marquette. Info on U.S. Rt. 18 is broken down by county below.
Sioux County O'Brien County Clay County
Palo Alto County Kossuth County Hancock County
Cerro Gordo County
Fayette County
