Illinois Department of TransportationDesignated Truck Routes - Local Jurisdiction Truck Route. This item identifies where tractor-semitrailers exceeding 65 feet overall length can travel legally on the Local system of highways. OPER 753 defines legal limits and access laws based on Designated Truck Routes at http://www.idot.illinois.gov/assets/uploads/files/idot-forms/oper/oper%20753.pdf This item and data for State Roadway Designated Truck Routes can be obtained at https://www.gettingaroundillinois.com/MapViewer/?config=DTRconfig.json Local agencies may designate streets or highways under their jurisdiction as follows: Class I highways include interstate highways, expressways, tollways, and other highways deemed appropriate by the department. (The Class I roadways included in this data set are under the jurisdiction of the Tollway. Local agencies may not designate a roadway as Class I.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/205325c3f0544a868a8b999e4cc6a2fc_95engIllinois DOT Open Data PortalPublicDesignated Truck Routes - Local Jurisdiction Truck Route [Illinois]Web servicesIllinoisLast Modified: 2026-01-08