HS2

The 2,000 tonne tunnel boring machine Dorothy sets off for second tunnel drive under Long Itchington Wood in Warwickshire The first one-mile tunnel bore was completed in July this year “ the first breakthrough on the HS2 project This is the sixth tunnel launch on the project, but the first time a TBM has been reused Photos here: https://mediacentre.hs2.org.uk/resources/f/construction/midlands-tunnels-and-cuttings/long-itchington-wood-tunnel-2/dorothy-tbm-relaunch-for-second-tunnel-drive Time lapse of TBM reassembly: HS2 Time-lapse: TBM Dorothy reassembled for re-launch at Long Itchington Wood Tunnel North Portal, Sep - Nov 2022 (vimeo.com)