The UK’s longest rail bridge takes form, as the first 56 giant piers are raised for HS2
The UK’s longest rail bridge takes form, as the first 56 giant piers are raised for HS2 Reaching afar for 3.4km, the Colne Valley Viaduct, will be responsible for carrying high speed trains, traveling at speeds of up to 200mph between the outskirts of Hillingdon and along the M25, to Birmingham and beyond. …