How to Report Traffic Concerns

State Highway System

The Iowa Department of Transportation (IDOT) Office of Traffic and Safety handles issues related to mature drivers, traffic studies, intersection operations, signing, pavement marking, signals, and traffic engineering standards for the State Highway System. If you have traffic related concerns on a state maintained road, you can locate a Local Systems Engineer by clicking on the District below that corresponds to your County or by visiting the Iowa DOT web site at http://www.iowadot.gov.

District 1 (Central) 

Boone, Greene, Grundy, Hamilton, Hardin, Jasper, Marshall, Polk, Poweshiek, Story, Tama, Webster.

District 2 (Northeast) 

Allamakee, Black Hawk, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton, Fayette, Floyd, Franklin, Hancock, Howard, Humboldt, Kossuth, Mitchell, Winnebago, Winneshiek, Worth, Wright.

District 3 (Northwest)

Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford, Dickinson, Emmet, Ida, Lyon, Monona, O’Brien, Osceola, Palo Alto, Plymouth, Pocahontas, Sac, Sioux, Woodbury.

District 4 (Southwest) 

Adair, Adams, Audubon, Cass, Dallas, Fremont, Guthrie, Harrison, Madison, Mills, Montgomery, Page, Pottawattamie, Ringgold, Shelby, Taylor, Union.

District 5 (Southeast)

Appanoose, Clarke, Davis, Decatur, Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa, Lucas, Mahaska, Marion, Monroe, Muscatine, Van Buren, Wapello, Warren, Washington, Wayne.

District 6 (East Central)

Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque, Iowa, Jackson, Johnson, Jones, Linn, Scott.