# Illinois BidBuy #27-557THA-ENGCO-B-54767

Change order for I-490 roadway construction adjustments

**Posted:** November 04, 2026
**Respond By:** December 04, 2026
**Identifier:** 27-557THA-ENGCO-B-54767
**NAICS:** 237310

The Illinois Toll Highway Authority is reporting a $142,740 change order for I-490 roadway construction adjustments.
- Buyer: Illinois Toll Highway Authority (THA), Engineering - Construction department; work is associated with Downers Grove and Lisle, Illinois.
- Scope: One item, RFI #24 adjustments for I-490 roadway construction, quantity 1; described as extra work covered by the existing contract.
- Value: $142,740.
- No OEMs, vendors, product names, or part numbers are identified. This is an amendment to an existing contract, not a request for new bids.

### Description

The Illinois Toll Highway Authority gives notice of intent to amend its contract with OHLA Central, Inc. and Judlau Contracting, Inc., in a joint venture, for RFI #24 adjustments related to I-490 Roadway Construction. The source states that the change is germane to the original contract and that the original contract includes provision for this work. The listed extra work/change order cost is $142,740.00.

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