The State of Illinois is soliciting bids for the I-20-4720 Elgin O'hare (I-490) Roadway & Bridge Construction project. The project includes earthwork, grading construction, haul road construction and maintenance, protection of aviation operation equipment and utilities, mainline and ramp pavement construction, bridge construction, retaining wall construction, building demolition, drainage, erosion and sediment control measures, landscaping, fencing, lighting, traffic signals, Intelligent Transportation Services (ITS) infrastructure, Toll Plaza facilities, overhead sign truss foundations, maintenance of traffic and other miscellaneous work.
• The project location is the Elgin O'Hare Western Access Tollway (I-490) between Mile Post 3.9 and Mile Post 6.3 in DuPage County and Cook County, Illinois.
• The work under this contract shall be started on or about August 17, 2026, and completed by October 2, 2028.
• The solicitation includes requirements for vendor disclosure, DBE utilization plan, and VOSB utilization plan.
• The bid opening date is May 8, 2026, at 10:30:00 AM.