HS2 passes halfway in excavation of 88km of bored tunnels for high-speed line newcivilengineer.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from newcivilengineer.com Daily Mail and Mail on Sunday newspapers.
TBMs Sushila and Caroline were launched by SCS (Skanska Costain Strabag JV) in October last year from the HS2 site in West Ruislip and have now installed