Giant HS2 tunnelling machine makes rare surface appearance
Dorothy TBM cutterhead Image HS2 Ltd
A night-time operation in Warwickshire in central England saw the giant cutter-head from the ‘Dorothy’ Tunnel Boring Machine (TBM) move through the countryside above the Long Itchington Wood Tunnel to a new location, so that operations can begin on a new bore. The 160 tonne cutter-head was moved upright on a 12 metre-long, 48-wheel Self Propelled Trailer on its 2.5 mile (4 kilometre) journey.
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