The Division of Transportation is responsible for the construction and maintenance of the County Highway system which serves the over 900,000 residents of DuPage County.

The Division of Transportation maintains approximately 220 miles of arterial highways and 50 miles of recreational trails in DuPage County.

Operations include highway design and construction, road and path reconstruction and maintenance, bridge repair, plan review, traffic signs/signal installation and maintenance, right-of-way maintenance and snow plowing within the Division of Transportation's jurisdictional rights-of-way.

The Department of Economic Development and Planning - Regulatory Services Division - Highway Permitting and Impact Fee Office processes Highway Permitting and Roadway Impact Fee applications. Follow the preceeding links for more information.

The Department of Economic Development and Planning - Transportation Planning Division handles  Bikeways & Trails - follow this link for more information.