Final HS2 TBM starts drive towards Euston

HS2 has started the final tunnel bore on the project from Old Oak Common station in west London towards Euston.
Euston is the second bored tunnel underneath the capital – after the Northolt Tunnel – and is being constructed by the Skanska Costain STRABAG joint venture.
The 198-metre long machine operates as a 24/7 underground factory, excavating the earth and installing concrete segments into rings to create the tunnel.Overall, on both bores of the tunnel, 48,294 concrete segments wi