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Second giant HS2 TBM to start digging under Birmingham
The second tunnel boring machine (TBM) named Mary Ann, has started digging under Birmingham in the next phase of HS2.
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SYSTRA (MMSDJV)
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14 December 2023 | By Emily Budgen
The second tunnel boring machine (TBM) named Mary Ann, has started digging under Birmingham in the next phase of HS2.
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