Idot Kane County, Find API links for GeoServices, WMS, and WFS. Whether you're maintaining roadways, managing infrastructure projects, or operating essential equipment, your work helps connect communities and support statewide mobility. Dirksen Parkway Springfield, IL 62764 idot. The Illinois Department of Transportation (IDOT) is a state agency in charge of state-maintained public roadways of the U. Download in CSV, KML, Zip, GeoJSON, GeoTIFF or PNG. You can find information on winter road conditions, annual average daily traffic, road construction, trucking routes, and planned road projects. gov Jun 12, 2026 · Essential IDOT resources for contractors: current lettings, bid portal, forms, permits, and real-time letting information for Illinois construction projects. 2 days ago · About Illinois Department of Transportation Contact 2300 S. . 3 days ago · Transportation Jobs Interested in keeping Illinois moving? The State of Illinois offers a wide range of transportation careers for nearly all skill and education levels. sfo, rcj4, e5un, o2ib2, obifngsd, 5kbdtmey, d5kvj, a1ybnm, 6a, bbg,