PSB 26-1 Summary

Professional Services Bulletin 26-1 (PSB 26-1), issued by the Illinois State Toll Highway Authority (ISTHA) on March 6, 2026, is a Qualifications Based Selection (QBS) solicitation for professional services contracts covering design engineering, construction management, land acquisition, and surveying services. The bulletin was published through the Illinois eProcurement System (BidBuy) and Trimble Unity Construct platform. The solicitation encompasses projects in DuPage, Cook, and systemwide locations across the Illinois Tollway network.

The bulletin advertises nine contract items with upper limit compensation totaling approximately $23 million across multiple service categories. Item 1 (I-26-2039) covers Construction Corridor Management and Construction Management services for the Elgin O'Hare Western Access (I-490) project with a Category D construction estimate ($75M-$100M). Items 2-4 address Phase II and Phase III engineering services systemwide, with individual upper limits of $3 million each. Items 5-7 provide on-call construction management services, also at $3 million limits. Item 8 provides land acquisition and surveying services with a $2 million cap. Item 9 (I-26-2046) addresses Phase II engineering for the I-490 West Landside Reserve Area. All items include Disadvantaged Business Enterprise (DBE) participation goals ranging from 19-30% and Veteran-Owned Small Business (VOSB) goals of 3%. Statements of Interest (SOIs) were due March 27, 2026, at 4:30 p.m. Central Time via Trimble Unity Construct. Selection committee meetings were scheduled for May 2026, with estimated Board approval in June 2026 and Notice to Proceed in August 2026.