The firm also provided a scoring system for the different options, with the curved viaduct (with an elevator and switchback ramp) scoring the highest. However, that option would also be more difficult ...

HS2 engineers have completed construction of what it calls "the UK's longest railway bridge". The final deck segment of the 2.1-mile (3.3-km) Colne Valley Viaduct, near Denham in Buckinghamshire, was ...