Tenders/I-21-4738 - CO #101 - ATP #87 - I-490 Railroad Track Relocation and Retaining Wall

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I-21-4738 - CO #101 - ATP #87 - I-490 Railroad Track Relocation and Retaining Wall

THA - Toll Highway Authority

Published: Sep 8, 2026

Updated: Sep 8, 2026

Source: illinois_bidbuy

About This Opportunity

This is a works contract in the architecture and engineering, construction and civil works and transport and logistics sectors, with a focus on Roads, Railways and Road Transport. Located in United States, North America, this opportunity is open to firms and consortiums. Proposals must be submitted before September 30, 2026.

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 civil works in the architecture and engineering sector. Works contracts of this nature generally require demonstrated experience in similar infrastructure projects, adequate equipment and technical personnel, and financial capacity including bank guarantees. Interested parties should review the full documentation on the original source before submitting their proposal.

Description

This tender, identified by solicitation number 27-557THA-ENGCO-B-53914, involves railroad track relocation and the construction of a retaining wall for I-490, under ATP #87 and CO #101. The contracting authority is the Toll Highway Authority (THA) in Illinois, United States. This significant infrastructure project requires specialized expertise in both civil engineering and railway construction. The scope of work is expected to include the physical relocation of existing railroad tracks and the design and construction of a robust retaining wall system to support or protect the new alignment or adjacent infrastructure. Bidders must demonstrate substantial experience in managing and executing complex railway engineering projects, including track laying, signaling interface, and earthworks. Experience with retaining wall construction, particularly in challenging soil conditions or confined spaces, will be critical. Key requirements will include adherence to stringent safety regulations applicable to both railway and construction sites, environmental compliance, and precise project management to ensure minimal disruption to existing rail services and traffic. The THA will seek proposals detailing technical methodologies, risk management plans, and proven capabilities in similar large-scale civil and railway engineering undertakings.

Data provenance

This notice is sourced from Illinois BidBuy and was originally published on September 8, 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 153 procurement notices on BidsFactory, including 22 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: September 8, 2026.

Frequently asked questions about this tender

When does this tender close?

The submission deadline is September 30, 2026. You have 22 days left to prepare and submit your proposal to 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.

What type of contract is this?

This is a Works 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.