Emily and Anne get ready to dig HS2’s Northolt Tunnel under west London

Two more tunnel boring machines, Emily and Anne, have been lowered into the ground to dig tunnels under west London for the HS2 railway.
Front shield of TBM Emily lifted at Victoria Road Crossover box site (c) HS2
The two tunnel boring machines (TBMs) will dig two tunnels from just outside the Old Oak Common station heading west, ending their dig next to Greenford station, where they will join up with the tunnel that’s currently being dug eastwards from West Ruislip.
When the two tunnellin