Or write to: Illinois Department of Transportation 2300 S. Dirksen Pkwy. Springfield, IL 62764 (217) 782-7820
*If You Plan To Submit A Bid Directly To IDOT
The contractor or bidder certifies that all relevant addenda have been incorporated in to the appropriate contract. Failure to do so may cause the bid to be declared unacceptable.
"HOW TO" PROCEDURES AND FREQUENTLY ASKED QUESTIONS
Aeronautic CBID Files - EXCEL: (.xls)