Illinois Road Jurisdiction

How to use the online application:

  1. Open IDOT's map application.
  2. Click on the “layer list” button in the top right corner of the map.Step 1

  3. Expand the “Illinois Road Jurisdiction” drop-down by clicking on the highlighted grey box. This will display the symbology for each road's jurisdiction.
    Step 2.1Step 2.2

  4. In the top left corner, search for the desired location using the search bar, the navigation tools, or with your mouse scroll wheel.Step 3