The overhead lines through the Severn Tunnel have been upgraded using a world-first engineering technique.
Category: Infrastructure
World-first Severn Tunnel upgrade completed
Train services are running through the Severn Tunnel once again after Network Rail completed a pioneering £23 million upgrade designed to improve reliability on one of Britain’s most important cross-border rail routes. Over 16 days, Network Rail and its contractor ARQ (AmcoGiffen, REL and QTS) have completed a pioneering upgrade to the overhead line equipment […]