Cook_County_GISCook County Department of Transportation and Highways (DOTH) current interpretation of State, County and Township road jurisdiction for Cook County, Illinois. Data gets updated by DOTH Bureau of Design / GIS Division when jurisdiction of roadways are transferred.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/4044f2318f974399a4ad4aec2fba6de4_0engCook CentralPublicHighway Jurisdiction [Illinois--Cook County]Web servicesIllinois--Cook CountyIllinoisLast Modified: 2024-04-11