Illinois State Toll Highway Authority Professional Services Bulletin 26-2 Addendum No. 1
Illinois State Toll Highway Authority | State of IllinoisState · Downers Grove, IL- Due
- Jul 10, 2026
- Deadline passed
- Posted
- Jun 24, 2026
- Primary contact
- Csstaff
- (630) 241-6800
The 30-second brief
The Illinois State Toll Highway Authority has issued Addendum No. 1 for Professional Services Bulletin 26-2 (PSB 26-2), which includes advertisements for Statements of Interest (SOIs) for professional engineering services, construction management, and materials engineering consulting across various tollway corridors including the Tri-State Tollway (I-294/I-94), Veterans Memorial Tollway (I-355), Jane Addams Memorial Tollway (I-90), and Reagan Memorial Tollway (I-88). This addendum clarifies that the due date for SOIs remains July 10, 2026, at 4:30 PM Central Time, and provides pre-proposal meeting details, questions and answers, and administrative instructions for submitting via the Trimble Unity Construct portal. Consultants must meet specific IDOT prequalification categories, comply with DBE and VOSB participation goals, and submit required disclosure forms and utilization plans.
Specialized experience, technical competence, performance history, cost-saving measures, ability to complete work on time, key personnel availability, approach to objectives, DBE/VOSB utilization plan
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Summary
The Illinois State Toll Highway Authority has issued Addendum No. 1 for Professional Services Bulletin 26-2 (PSB 26-2), which includes advertisements for Statements of Interest (SOIs) for professional engineering services, construction management, and materials engineering consulting across various tollway corridors including the Tri-State Tollway (I-294/I-94), Veterans Memorial Tollway (I-355), Jane Addams Memorial Tollway (I-90), and Reagan Memorial Tollway (I-88).
This addendum clarifies that the due date for SOIs remains July 10, 2026, at 4:30 PM Central Time, and provides pre-proposal meeting details, questions and answers, and administrative instructions for submitting via the Trimble Unity Construct portal. Consultants must meet specific IDOT prequalification categories, comply with DBE and VOSB participation goals, and submit required disclosure forms and utilization plans.
EVALUATION CRITERIA
8- Specialized experience
- Technical competence
- Performance history
- Cost-saving measures
- Ability to complete work on time
- Key personnel availability
- Approach to objectives
- DBE/VOSB utilization plan
REQUIRED ATTACHMENTS
9- Exhibit A
- Exhibit C
- Exhibit D
- Exhibit E
- Exhibit F
- Exhibit H
- Vendor Disclosures
- Illinois Tollway Standard Business Terms and Conditions
- SOITEAM Data
- Submit to
- https://app.e-builder.net/
- Scope location
- Downers Grove, IL
- Reported agency
- Illinois State Toll Highway Authority
Questions about this RFP
How do I respond to this RFP from Illinois State Toll Highway Authority | State of Illinois?
Review the full solicitation document for submission requirements, evaluation criteria, and deadlines. The submission deadline is July 10, 2026. Be sure to include all required attachments as outlined in the solicitation. Submissions should be delivered to: https://app.e-builder.net/. For questions, contact Csstaff.
Can small businesses or minority-owned firms bid on this RFP?
Most government agencies, including Illinois State Toll Highway Authority | State of Illinois in IL, encourage participation from small businesses, minority-owned, women-owned, and disadvantaged business enterprises (MBE/WBE/DBE). Check the full solicitation for any small business participation goals.
What happens after the RFP submission deadline?
After the deadline, the issuing agency reviews all submissions against the stated evaluation criteria. This typically includes a compliance check, technical evaluation, cost analysis, and may involve oral presentations with shortlisted vendors.
Can I ask questions about this solicitation before submitting?
Yes, most solicitations allow vendors to submit questions during a designated period. The primary contact is Csstaff at (630) 241-6800. Questions and answers are typically shared with all prospective bidders.
Show 4 more questions
What are the evaluation criteria for this solicitation?
This solicitation includes specific evaluation criteria that will be used to score proposals. The criteria include: "Specialized experience, technical competence, performance history, cost-saving measures, ability to complete work on time, key personnel availability, approach to objectives, DBE/VOSB utilization plan" Vendors should carefully align their proposals with each criterion to maximize their score.
Where can I find more RFPs from Illinois State Toll Highway Authority | State of Illinois?
All active and historical solicitations from Illinois State Toll Highway Authority | State of Illinois are tracked and searchable. As a state agency, Illinois State Toll Highway Authority | State of Illinois regularly publishes solicitations. Visit the agency profile to see current open bids, past contracts, vendor relationships, and decision-maker contacts.
What documents are required to bid on this RFP?
Requirements vary by solicitation, but common documents include a technical proposal, cost/price proposal, proof of insurance, relevant certifications, past performance references, and any forms specified in the solicitation. This solicitation specifically requires the following attachments: Exhibit A, Exhibit C, Exhibit D, Exhibit E, Exhibit F, Exhibit H, Vendor Disclosures, Illinois Tollway Standard Business Terms and Conditions, SOITEAM Data. Review the full document from Illinois State Toll Highway Authority | State of Illinois for the complete list.
What is the scope of this project?
This solicitation defines a specific project scope. The scope covers the following locations: Downers Grove, IL. Review the full solicitation for detailed scope requirements.
