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Welcome to IDOT's new website design! The address for some web pages has changed, so be sure to update any saved favorites as needed. The search index has not been updated yet for the new website design so the search function is not fully operable yet but will be coming soon!

Illinois Department of Transportation

Environment

This site will be updated periodically as the project progresses. The Illinois Department of Transportation (IDOT) wishes to thank you for your support and patience.