Illinois Department of Transportation - IDOT
Governor Seal - Illinois
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Illinois Department of Transportation 2300 S. Dirksen Parkway Springfield, IL 62764. - Contact
Disclaimer
The Illinois Department of Transportation and the State of Illinois hereby give notice to all users that these maps and the data included hereon, lack the accuracy required for site-specific uses. Since all boundaries and all data are based on information derived from multiple sources within and outside the Illinois Department of Transportation, the Department of Transportation and the State of Illinois make no representation, guarantee, or warrant, either express or implied, regarding the accuracy of these maps or the data furnished thereon, including, but not limited to, the condition of this product, this product's merchantability, or this product's fitness for any particular purpose or use.
Getting Around Illinois