Innovation Showcase | Track-free travelling formwork drives pace of HS2 green tunnel work

Copthall Tunnel is one of five green tunnels being built along Phase 1 of High Speed 2 (HS2) between London and Birmingham. Situated between HS2’s

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London ,City Of ,United Kingdom ,Dan Biggs ,Skanska Costain Strabag ,Teresa Martin , ,High Speed ,Colne Valley Viaduct ,Copthall Tunnel ,Skanska Costain Strabag Joint Venture ,