The Department of Transportation in Illinois manages thousands of miles of state highways, bridges, and public transit systems, coordinating with federal and local agencies to deliver safe and efficient transportation infrastructure.
Department Of Transportation locations are available in 158 cities across Illinois. They are spread across 76 counties.
Cities with the highest concentration include Chicago, Des Plaines, Woodstock, which tend to have major highway corridors, urban transit systems, or regional transportation hubs requiring dedicated oversight.
Residents of Illinois can use the state DOT website to track road construction projects, report road hazards, and apply for transportation-related permits without visiting an office in person.
Department Of Transportation by Counties
Residents of Illinois can report road damage, apply for access permits, and track construction projects through the state DOT online portal. For complex permitting requests, scheduling an appointment with the regional office is recommended.
Browse Department Of Transportation by county across Illinois to find the nearest location.