• HS2 starts construction of the UK’s longest railway bridge

    HS2 starts construction of the UK’s longest railway bridge
    A giant bridge building machine has started building a giant bridge for HS2 just inside the M25 in west London.
    Launching girder (c) HS2
    This is the Colne Valley Viaduct, which will be a two-mile long bridge spanning a series of lakes and waterways between Hillingdon and the M25. When completed, it will also be the longest railway bridge in the UK.
    To assemble the pre-cast concrete segments that will form the bridge, a huge bridge building machine has been assembled at the north end of the viadu

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