Sydney Metro breaks through at Martin Place

Sydney Metro Martin Place breakthrough

Tunnel Boring Machine (TBM) Nancy has arrived at the new Martin Place Station, marking another major milestone for Sydney Metro.

Sydney’s new twin metro railway tunnels are now 70 per cent complete as tunnelling reaches the heart of the city, 28m under Martin Place.

After just eleven months of tunnelling, 22km of the Sydney Metro tunnels are now finished.

Since launching in October 2018, TBM Nancy has tunnelled 6.8km via the new metro stations at Waterloo, Central and Pitt Street.

TBM Nancy will spend a few weeks undergoing maintenance before being re-launched to complete the last 1.3km section between Martin Place and Barangaroo.

It has taken about 21 months to build the caverns for the new Martin Place Station ahead of TBM Nancy’s arrival, removing about 198,000 tonnes of rock – enough to fill about 30 Olympic swimming pools.

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