HS2 Northolt Tunnel, February 2023

View of tunnel segments being installed inside one of the two giant tunnelling machines building HS2's 5-mile long Northolt Tunnel.

Download - HS2-VL-51638-221102_SCS_HS2_Progress_West_GC_JZ_000239.jpg

HS2 Northolt Tunnel, February 2023: View of tunnel segments being installed inside one of the two giant tunnelling machines building HS2's 5-mile long Northolt Tunnel.