HS2 Tunnel Breakthrough Reaches Old Oak Common Station Box
Skanska Costain STRABAG JV's (SCS JV) sprayed-concrete tunnel works have broken through into HS2's Old Oak Common station box in west London, completing a reported excavation milestone at the interface between the railway's Northolt Tunnel approach and the underground station being built by Balfour Beatty VINCI SYSTRA (BBVS). The works comprise two approximately 360-metre-long tun…