How to report traffic concerns
State highway system
The Iowa DOT's 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's 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
Local roadways
For concerns on city-maintained or county-maintained roads you can find the appropriate traffic engineering office by clicking here for cities or by visiting http://www.iowa.dot.gov/local for cities or by clicking here for counties or by visiting http://www.cfapps.iceasb.org for counties.

