- View current roadway and travel information before heading out.
- Check planned construction, lane restrictions, and current road closures that could affect your route.
- During snow and ice events, IDOT provides continually updated winter road conditions to help travelers plan safely.
- Access the official Illinois highway map, county and city maps, work-zone information, and other mapping resources.
- IDOT’s Getting Around Illinois tools provide useful information for travelers driving throughout the state.
Illinois Department of Transportation
Traveling to Southern Illinois by car? IDOT provides helpful tools for planning your drive and checking conditions along the way. Travelers can access current information on road construction, closures, winter driving conditions, highway maps, and other roadway resources before heading to Williamson County or while traveling throughout Illinois.
