Tenders/Change Order Notice RR-18-4383 TriState Tollway 95thST-Balmoral, Planning Studies Upon Request
Open🇺🇸United StatesConsulting

Change Order Notice RR-18-4383 TriState Tollway 95thST-Balmoral, Planning Studies Upon Request

THA - Toll Highway Authority
Published: Oct 26, 2026
Updated: Oct 26, 2026
Source: Illinois BidBuy

About This Opportunity

This is a consulting contract in the architecture and engineering, construction and civil works and transport and logistics sectors, with a focus on Roads and Road Transport. Located in United States, North America, this opportunity is open to firms and consortiums.

Published through Illinois BidBuy, a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for consulting in the architecture and engineering sector. Consulting assignments are typically evaluated with a strong emphasis on the technical proposal, including the methodology and qualifications of key experts. Shortlisted firms may be invited to submit financial proposals in a second stage. Interested parties should review the full documentation on the original source before submitting their proposal.

Description

This tender notice pertains to a Change Order for the TriState Tollway project in the United States, managed by the THA - Toll Highway Authority. The Bid Solicitation number is 27-557THA-ENGCO-B-54566, and the specific project scope involves "95thST-Balmoral, Planning Studies Upon Request." This indicates a modification or addition to an existing contract, likely related to engineering and consulting services. The Toll Highway Authority is seeking to procure planning studies that may be required on an as-needed basis for the specified section of the TriState Tollway. Such planning studies can encompass a wide array of activities, including traffic analysis, environmental impact assessments, feasibility studies for infrastructure improvements, route planning, and cost-benefit analyses. The change order process suggests that the scope of work has evolved or new requirements have emerged that were not part of the original contract. Potential vendors, likely engineering or planning firms with expertise in transportation infrastructure, would need to be familiar with the existing project and be prepared to undertake detailed analytical work. The procurement focuses on specialized expertise for informed decision-making regarding the tollway's future development and operations.

Data provenance

This notice is sourced from Illinois BidBuy and was originally published on October 26, 2026. Last refreshed today. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About THA - Toll Highway Authority

THA - Toll Highway Authority has issued 194 procurement notices on BidsFactory, including 27 currently open and 0 awarded contracts. Activity concentrates in Transport & Logistics, Construction & Civil Works, and Governance & Public Administration. All notices are published for United States. Notices are distributed via Illinois BidBuy. Most recent publication: October 26, 2026.

Frequently asked questions about this tender

What type of contract is this?

This is a Consulting contract in the Architecture & Engineering Services sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.

Where will the contract be performed?

The contract is for delivery in United States. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.

How can I submit a bid?

Visit Illinois BidBuy to access the full notice, required documents, and submission instructions provided by the contracting authority.

Who is the contracting authority?

This notice was issued by THA - Toll Highway Authority in United States. The authority is responsible for evaluating bids, awarding the contract, and managing performance.

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