concrete viaducts

The 3.4km Colne Valley viaduct is now complete, using 1,000 precast concrete deck segments

Webuild awarded €1.6 billion contract for tunnel and viaduct works on Italy’s Salerno–Reggio Calabria high-speed rail line

1,300-tonne concrete and steel deck slid into position, marking the last of five built using HS2’s low-carbon construction method

£50m scheme includes viaduct and Pegasus crossing to boost safety and resilience