The 880m tunnel was completed using 1.2 million cubic metres of material excavated from the Northolt project.
HS2 has completed its first 'green' tunnel, am 880m cut-and-cover tunnel at Copthall built by SCS (Skanska, Costain, Strabag) ...
High-speed rail project HS2 has revealed its first completed 'cut and cover' tunnel at a site on the western edge of London.
The last of 5,020 reinforced concrete segments has been lifted into position at an HS2 cut and cover tunnel plagued by ...
A major step forward in the construction of a tunnel being built near Chipping Warden took place when the last of the tunnel segments was lifted into place.
The first completed cut and cover tunnel on Britain’s new high-speed railway has been revealed at a site on Lo ...