# Illinois BidBuy #27-557THA-DIVER-B-54503

Change order reduces tollway technical assistance contract by $200,000

**Posted:** October 09, 2026
**Respond By:** October 28, 2026
**Identifier:** 27-557THA-DIVER-B-54503
**NAICS:** 541611

The Illinois Toll Highway Authority is reducing the value of an existing tollway technical assistance services contract.
- **Buyer:** THA - Toll Highway Authority, DIVERSITY557 - Diversity; located in Downers Grove, DuPage County, Illinois.
- **Contract action:** Change order to contract 19-0097R-B P-30812, referencing Purchase Order 21-557THA-PROCU-P-30804:0.
- **Service:** Tollway technical assistance and consulting services (NIGP 918-32). One amendment line item reduces the existing contract value by $200,000.
- **Participation goals:** 30% BEP and 3% VBP.
- **OEMs and vendors:** None are named. This notice modifies an existing contract and is not a request for proposals for a new procurement.

### Description

This change order notice amends contract #19-0097R-B P-30812 by decreasing its value by $200,000. The line item describes an amendment to remove $200,000 from the original contract. The notice references Purchase Order 21-557THA-PROCU-P-30804:0. A 30% BEP participation goal and a 3% VBP participation goal are stated.

[View original listing](https://www.bidbuy.illinois.gov/bso/external/bidDetail.sda?docId=27-557THA-DIVER-B-54503&external=true&parentUrl=close)