Illinois Transportation Department
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Phone: (312) 793-2111
Fax: (312) 793-1251
Fax: (312) 793-1164
TollFree: (800) 452-4368
Public Transportation Department
Phone: (312) 793-2250
Address: 69 W Washington St, Chicago, IL 60602
Website: https://www.idot.illinois.gov/about-idot/contact-us/index
25 E Washington St, Chicago, IL 60602
230 S Dearborn St Ste 3410, Chicago, IL 60604
35 E Wacker Dr, Chicago, IL 60601
432 N Clark St, Chicago, IL 60654
525 W Van Buren St, Chicago, IL 60607
233 E Wacker Dr, Chicago, IL 60601
211 W Wacker Dr, Chicago, IL 60606
3232 N Elston Ave, Chicago, IL 60618
720 N Drake Ave, Chicago, IL 60624
3232 N Elston Ave, Chicago, IL 60618