V-shaped piers unveiled for HS2’s Colne Valley railway viaduct

New photos of the V-shaped piers that will carry the HS2 railway over the Colne Valley in west London have been released, showing how the railway’s longest viaduct will span the lakes. Construction of the viaduct started a year ago, with deep piles sent into the former gravel pits that now form the lakes.
V pier under construction for the Colne Valley Viaduct (c) HS2
For the past year, a 700-tonne ‘launch girder’ – the only one of its kind in the UK – has been assem