Traffic volume information for each centerline segment in the state of Iowa. For additional information about a specific volume contact the Office of Systems Planning's Cartography and Traffic team at
Ethanol plants in the State of Iowa. This data is part of Iowa’s multimodal freight network. These facilities are important for the safe and efficient movement of freight that is demanded by Iowa’s la
This map displays public roadways showing the jurisdiction of the roadway. In instances where local agreements are in place, the maintenance responsilibity for a roadway may be different than the enti
A combination of existing park and ride lots and candidate park and ride location in the state of Iowa, represented in a point feature. The Iowa Department of Transportation’s park and ride system con
