• Category:Transportation in Illinois

• Category:Roads in Illinois
  • Category:Bridges in Illinois
  • Category:State highways in Illinois
  • Category:Interstate Highways in Illinois
  • Category:Toll roads in Illinois
  • Category:U.S. Highways in Illinois

• Category:Illinois railroads

• Category:Airports in Illinois

• Category:Illinois trails
  • Category:Illinois bike trails
  • Category:Illinois nature trails

• Category:Illinois waterways

These projects are excellent resources for continuity, cross-reference, and general guidance: