Average Annual Daily Traffic (AADT) Maps
These maps show the most recent traffic counts available for selected streets and highways for most of the cities and counties in Iowa.
City and County Street Maps
General purpose maps that show streets and highways for counties and cities in Iowa.
Farm-to-Market Road System Maps
These maps show the streets and highways that are part of the Farm-to-Market Road System. These roadways are eligible for farm-to-market funding.
Federal Functional Classification Maps
These maps delineate those streets and highways that are eligible for federal funding through the Surface Transportation Program (STP). For the urban system, collectors and above are eligible for STP funds. For the rural system, major collectors and above are eligible for STP funds.
High Risk Rural Roads (HRRR) Qualifying Routes
General program information, maps of qualifying routes, application form and more.
Iowa DOT Transportation Map
If you are unable to find what you are looking for, please refer to the Iowa DOT Maps Web site.