Finding the right people: DuPage County, IL

Here at Safety Cone, we’re determined to develop the most comprehensive database of land maintenance organizations in the US. Recently, we’ve been focused on roads. And it turns out road maintenance organizations are complicated!

Just to illustrate the level of complexity, here’s a case study of DuPage County, IL. It’s a smallish county just west of Chicago. To figure out who’s responsible for a road, we have to ask a few questions:

  1. Is the road an interstate? If so, it’s managed by the Illinois Department of Transportation (IDOT, comment box here).
  2. But wait! Is it an interstate on which drivers pay tolls? In that case, you want the Tollway Authority (you can report a pothole here by clicking “Leave Feedback About Our Roadway”).
  3. Is the road a state route? Congrats, we’re back to IDOT’s responsibility.
  4. Is the road a county road? If so, it’s managed by DuPage County’s Department of Transportation.
  5. Is the road in an unincorporated area? If so, it’s managed by the appropriate township‘s Department of Transportation (DuPage County is divided into ten townships).
  6. Finally, by process of elimination, if you’ve made it here, the road is a non-highway in an incorporated town, and that town is responsible for fixing the road. In that case, you’ll want to go to the town’s website, poke around for a public works or maintenance department, and get in touch with them.

Supplementary materials: for (1) through (3), see IDOT’s official highway map (caution: file is huge and loads slowly). For (4) through (6), check out the DuPage County Highway Map.

Do you know who maintains your roads? Let us know in the comments!

Or, if you don’t want to have to figure it out, submit your report using Safety Cone, and we’ll make sure it gets to the right people. That’s why we’re building this database, after all!

Published by Safety Cone

The easiest way to report issues to the people who can fix them. Submit a report at

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