
HS2 minister Huw Merriman hailed the “extraordinary feat of engineering and architecture” as he inspected construction of what will be the UK’s longest railway bridge.
Mr Merriman visited the site where HS2’s 2.1-mile-long (3.4km) Colne Valley Viaduct is being built to carry high-speed trains above a series of lakes and waterways just outside north-west London.