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                                     Welcome to the Office of Transportation Data.

                                                   The mission of Transportation Data is to gather,
                                      maintain, analyze, and distribute transportation related information.

                                       This information includes roadway, structure, and rail-crossing data, traffic statistics,
                              and intelligent map products that support the economic, environmental, and social vitality of Iowa.

                                *Please use the menu bar above or our linked images to navigate the web site* State, County, and City Traffic Maps State, County, and City Maps Transportation Map

For questions pertaining to maps, ordering maps, or transportation data please contact Mark.Hansen@dot.iowa.gov
We appreciate your input! For web site comments contact Ryan.Wyllie@dot.iowa.gov
For the Summer Temporary Application click here.