HS2 celebrates completion of UK?s longest rail bridge with installation of final pre-cast segment

New Civil Engineer - High Speed 2 (HS2) main works contractor Align JV (Bouygues Travaux Publics, Sir Robert McAlpine, VolkerFitzpatrick) has celebrated the structural completion of the Colne Valley Viaduct, Britain?s new longest railway bridge, with the installation of the 1,000thand final precast concrete segment.