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HS2 Northolt tunnel sees second completed tunnel bore

Summary by Planning & Building Control Today

The tunnel is now 93% complete as the tunnel boring machine (TBM) – named Caroline – has reached Green Park Way Caroline is one of four TBM’s deployed to construct the HS2 Northolt tunnel. The TBM’s journey saw five miles underneath London to a vent shaft in Green Park Way, Ealing. The HS2 Northolt tunnel will be 8.4 miles long The tunnel will be a twin bore tunnel leading from West Ruislip to the new Old Oak Common station. Caroline, weighing 2…

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ianvisits.co.uk

Second HS2 tunnel reaches Greenford, completing Western Northolt tunnel

A second 5-mile railway tunnel has been completed underneath west London after one of HS2’s tunnel boring machines arrived at a shaft at Greenford. The 8.4 mile long dual Northolt Tunnel is being dug by four tunnel boring machines (TBMs). Two of the TBMs are heading from Ruislip and have dug five mile tunnels each, and the two TBMs heading from Old Oak Common are digging 3.4 mile tunnels. They all meet next to Greenford station in west London. L…

2 days ago

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