The Sydney Metro West project has hit a major milestone with excavation of the Hunter Street metro station cavern now complete.
For the past 20 months, work has been underway around the clock to create the huge cavern, which is 180 metres long, 28 metres wide and 20 metres high.
Hunter Street Station will be the final stop on the 24-kilometre Sydney Metro West line that is set to double rail capacity between Greater Parramatta and the Sydney CBD.
When the line opens in 2032, the station is expected to be the busiest on the Sydney Metro West network, with entrances via the corner of George and Hunter streets and on the corner of O’Connell and Bligh streets.
To build the station cavern, one roadheader and a team of 57 workers removed more than 240,000 tonnes of material.
Due to the cavern’s central Sydney location, meticulous planning and sub-millimetre accuracy was essential throughout excavation.
At times, work took place just 1.8 metres from the M1 Metro Line and directly below landmarks including the heritage-listed State Library of New South Wales and The Domain.
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