Project News Details
Title:
HS2 completes 'green' tunnel
Detail:
HS2 has completed its first 'green' tunnel, am 880m cut-and-cover tunnel at Copthall built by SCS (Skanska, Costain, Strabag) using 1.2m cubic metres of material excavated from nearby Northholt tunnel.
Source:
The Construction Index
Published Date:
07.07.2026
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