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TBM assembly begins

Pieces of Joan the TBM are being assembled at the bottom of our Arden shaft, ahead of tunnelling later this year.

The first pieces of the TBM have been craned into the Arden Station box, where our construction crews will assemble and test the machine.

The TBM will be launched from this site towards the start of the Metro Tunnel in Kensington, excavating more than 100,000 cubic metres of rock and soil.

Metro Tunnel