What are the different highway authorities that exist in the state of Illinois?

The State of Illinois establishes the following highway authorities along with what roads they have jurisdiction: 

  • Tollway Authority – toll roads
  • Illinois Department of Transportation – marked and unmarked state roads
  • Counties – county roads 
  • Road districts – township roads 
  • Municipalities – municipal streets

County, township, and municipal roads all fall under the category of “Local Roads”.  There are a few other jurisdictional systems in the state, although not as common.

Show All Answers

1. Who do I contact about the condition of a road or to ask a question about a particular section of road?
2. What is the County’s snow plowing policy?
3. How can I find out what projects the County will be working on in the near future?
4. What do I have to do if I want to have a new entrance installed along a road?
5. What are the different highway authorities that exist in the state of Illinois?
6. What are “Spring Postings”?
7. Why does my road seem like a gravel road after seal coating?