Illinois transportation system facts.
APA Citation
Illinois. Dept. of Transportation. Office of Planning and Programming. Illinois transportation system facts. [Springfield, Ill.]: Illinois Department of Transportation, Office of Planning and Programming.
MLA Citation
Illinois. Dept. of Transportation. Office of Planning and Programming. Illinois Transportation System Facts. [Springfield, Ill.]: Illinois Department of Transportation, Office of Planning and Programming,
Warning: These citations may not always be complete (especially for serials).