Illinois Department of TransportationChanging conditions related to work zones can challenge even the safest drivers. Work zone safety is important to IDOT. We understand that driving through work zones can be frustrating at times and we do our best to help protect your safety while you're getting to your destinations. Driving too fast or recklessly through a highway work zone is dangerous to your life and passengers and it is dangerous to highway workers laboring to improve roadways and further ensure your safety while driving.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/1020751f2511459ba55e12149aeab6f9_2engIllinois DOT Open Data PortalPublicRoad Construction Public [Illinois]Web servicesIllinoisLast Modified: 2026-01-08