The Illinois Department of Transportation (IDOT) divided the State of Illinois into 9 districts – IDOT’s District Map. Within IDOT there are 8 bureaus: Bureau of Bridges and Structures; Bureau of Construction; Bureau of Design and Environment; Bureau of Land Acquisition; Bureau of Local Roads and Streets; Bureau of Materials and Physical Research; Bureau of Operations; Bureau of Safety Engineering. IDOT’s Central Office is located in Springfield.

McHenry County is located within Region 1/District 1, North Division. The current Region 1 Engineer is Anthony Quigley.

District 1 Office
Address: 201 West Center Court, Schaumburg, IL 60196-1096
Phone Number: 847-705-­4401

Click here to visit IDOT’s website.