HS2’s TBMs are about to start tunnelling towards Euston

The two giant tunnel boring machines that will soon dig the HS2 rail tunnels between Euston and Old Oak Common are now being assembled ahead of tunnelling starting next year.
Rail Minister and new CEO at Old Oak Common station box to see the two TBMs preparing to build HS2 to Euston (c) HS2
The tunnel boring machines (TBMs) are like underground factories, excavating the tunnels using a turning cutterhead, lining them with pre-cast concrete tunnel segments, grouting them into place before moving