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Crossrail tunnelling reaches Woolwich milestone

Crossrail has announced that tunnelling work in south east London has reached the halfway stage with tunnels between Plumstead and the Woolwich box now complete.

The first tunnel boring machine (TBM), named Sophia, is now ready to leave the box on the drive northwards below the Thames while the second machine, named Mary, has just broken into the station box.

The two slurry TBMs have now completed 2.5km of tunnels.

Mary was launched from Plumstead in May and has taken three months to reach the Woolwich station box where Sophia broke through in May.

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