Illinois Department of TransportationRoad Closures. This item identifies locations where roadways on the State system of highways are closed to traffic. Use alternate route. Closure times are provided for temporary closures. Road closures are displayed within 30 days of event. Driving conditions can change very quickly depending on weather, roadway, and traffic challenges, and can cause inconvenience and safety hazards for motorists. With mobility, convenience, and safety in mind, IDOT makes it a priority to consistently update our motorists. This item can be obtained https://www.gettingaroundillinois.com/RoadConstruction/index.htmlArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/d692355520e94d39a028f79248b75ef7_0engIllinois DOT Open Data PortalPublicRoad Closures [Illinois]Web servicesIllinoisLast Modified: 2026-01-08