File Summary

This is a Request for Proposals (RFP) document from the Illinois Department of Transportation (IDOT) for architectural and engineering services related to the Interstate 90 (I-90) Corridor Improvements project. IDOT is seeking qualified firms to provide comprehensive engineering design services, project management, and related consulting support for highway modernization and safety improvements along the I-90 corridor. The project encompasses multiple phases of design work, environmental assessments, and construction oversight preparation. The RFP requires submissions by the specified deadline with evaluation criteria focusing on firm qualifications, relevant experience, project approach, and staffing. IDOT anticipates contract award and project initiation following the selection process, with the contract term extending through the completion of all design phases and construction support activities as defined in the final scope of work.

Pricing for the engagement will be structured as a cost-plus-fixed-fee or similar arrangement, with detailed fee schedules and labor rate submissions required from proposing firms. The contract includes provisions for reimbursable expenses and may allow for contract modifications based on project scope changes. Incumbents or previously selected firms may have preference considerations depending on prior performance. The project is funded through federal highway funds administered by IDOT, with additional state matching funds as required. This solicitation represents significant infrastructure investment focused on improving corridor safety, capacity, and overall transportation efficiency along the I-90 strategic corridor.