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BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    ContractsOverground GSM-R Telecoms Circuit Replacement Project
    Awarded contract

    Overground GSM-R Telecoms Circuit Replacement Project

    Awarded
    £111.9k
    Published 1 Jul 2026

    TfL seeks a supplier to replace aging BT Megastream circuits supporting London Overground GSM-R communications with new optical connectivity before 2026 decommissioning.

    🇬🇧United Kingdom· LondonPublished 1 Jul 2026· 1 months agoviaFind a Tender
    Awarded
    £111.9k
    Published 1 Jul 2026

    Decision brief

    4 fields
    • Contract value
      £111,932
      Pounds sterling
    • Closing date
      Rolling
      No closing date published
    • Sector
      Transport & Logistics
      Browse related listings
    • Location
      🇬🇧United Kingdom
      London

    Suppliers

    1 supplier
    • AD
      ALAN DICK COMMUNICATIONS LIMITED
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 1 months ago.

    1 July 2026
    Awarded — no open tender advertised

    Brief

    Transport for London (TfL) is seeking a qualified supplier to replace end-of-life BT Megastream circuits that currently support GSM-R communications on the London Overground Windrush Line. The circuits must be replaced before their 2026 decommissioning date. The project scope includes: installing new BT Optical Connect circuits (or approved equivalent), relocating interface connection points to Paddington and Romford Regional Operating Centres (ROC), integrating new telecoms equipment across multiple operational sites, and providing full installation, connectivity setup, power supply, system monitoring, testing, and commissioning services. All work must comply with Network Rail standards and specifications. This is a critical infrastructure project requiring experience in rail telecommunications and coordinated delivery across multiple locations.

    Track record

    1 award · 1 winner
    Thin record

    Only 1 prior award here — too little to read.

    In media communications, TRANSPORT FOR LONDON has awarded 1 contract to 1 supplier.

    Who wins here
    1. ALAN DICK COMMUNICATIONS LIMITED1× · 100%

    Across media communications, the most active winners are BRITISH TELECOMMUNICATIONS PLC, SOFTCAT PLC, SWITCHSHOP LIMITED — the field to beat, or your route in as a partner.

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    Take action
    View on sourceFind a Tender

    Award notice and full record on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    find-tender.service.gov.uk
    Record ID
    ocds-h6vhtk-06c1c6
    TF
    Buyer
    TRANSPORT FOR LONDON
    Sector
    Transport & Logistics