Illinois Department of TransportationDisplays the following information for trucking industry: closures, oversize restrictions, legal structures, ton structures, weight restrictions, permanent restrictions, temporary restrictions, and inner Chicago Limits.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/f95a044e27dc4b3a88146608d00f02be_0engIllinois DOT Open Data PortalPublicInner Chicago Limits [Illinois]Web servicesIllinoisLast Modified: 2018-06-22