From Iowa 3, Iowa 188 heads north where it crosses the Shell Rock River and forms the eastern boundary of Heery Woods State Park.
Iowa | highway | University of Iowa | Iowa State University | Des Moines, Iowa | Davenport, Iowa | state highway | Princes Highway | Alaska Highway | Trans-Canada Highway | Ames, Iowa | Dubuque, Iowa | Jefferson Highway | Sioux City, Iowa | New Zealand State Highway 1 | Cedar Rapids, Iowa | Highway to Heaven | Iowa City, Iowa | Mexican Federal Highway | Federal Highway Administration | Iowa City | California Highway Patrol | New Zealand State Highway 6 | Minnesota State Highway 55 | Lincoln Highway | Council Bluffs, Iowa | Stuart Highway | Iowa Hawkeyes | Hume Highway | Grinnell, Iowa |