Possible online services disruption due to Internet related outage
Maps
Maps: The Maps section includes General Highway Maps depicting county, city, and township maps which emphasize the road network inside the specific geographic area, 5-Year Functional Classification (Rural & Urban) Maps allowing users to select a map that will provide graphical representation of the FHWA functional classifications of the roadways, and Annual Daily Traffic Maps. The maps are broken down IDOT districts. Maps are presented in PDF format.
Maps for other transportation modes can be found on the applicable Network Overview webpages.