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    SLED Opportunity · COLORADO · REGIONAL TRANSPORTATION DISTRICT

    Purchase of Materials for the Walnut Crossing Rail Reconstruction

    Issued by Regional Transportation District
    localIFBRegional Transportation DistrictSol. 226183
    Closed
    STATUS
    Closed
    due Feb 3, 2026
    PUBLISHED
    Jan 13, 2026
    Posting date
    JURISDICTION
    Regional Transportation
    local
    NAICS CODE
    237310
    AI-classified industry

    AI Summary

    The Regional Transportation District seeks bids for pre-curved rail, restraining rail, and tie assemblies to replace a section of double track crossing Walnut Street in Denver. The solicitation is for track materials only, including specific quantities of rail and tie assemblies for two curves.

    Opportunity details

    Solicitation No.
    226183
    Type / RFx
    IFB
    Status
    open
    Level
    local
    Published Date
    January 13, 2026
    Due Date
    February 3, 2026
    NAICS Code
    237310AI guide
    Jurisdiction
    Regional Transportation District
    State
    Colorado
    Agency
    Regional Transportation District

    Description

    The Regional Transportation District will be replacing a section of double track crossing Walnut Street between the Auraria West Station and the Empower Field at Mile High Station in downtown Denver. The project includes the replacement of two curves consisting of pre-curved rail with restraining rail and tie assemblies.

    Provide a bid for all pre-curved rail, restraining rail and tie assemblies required to complete the construction of these projects. The bid shall be for track materials only.

    The base bid shall include:

    • Pre-curved running and restraining rail for Curves NB05, and SB05 (including spirals)
    • 196 EA – Restraining Rail Tie Assemblies
    • 24 EA – Transition Ties Assemblies
    • 2 EA – Insulated Joint Kit – Single Rail
    • 2 EA – Insulated Joint Kit – Double Rail
    This solicitation is for track materials only.

    Key dates

    1. January 13, 2026Published
    2. February 3, 2026Responses Due

    AI classification tags

    railroad materialsrailroad track constructionpre-curved railrail tie assembliesinsulated joint kitstransportation infrastructure

    Frequently asked questions

    SLED stands for State, Local, and Education. These are solicitations issued by state governments, counties, cities, school districts, utilities, and higher education institutions — as opposed to federal agencies.

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