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Metro Tunnel

Eastern tunnel entrance construction overview

The eastern tunnel entrance will be located in the South Yarra Siding Reserve. A decline structure, or descending tracks, will be built so trains can enter the new Metro Tunnel near William Street and pass underneath the Sandringham and Frankston lines.

To construct the eastern tunnel entrance, the rail corridor between William and Chapel streets will need to be widened, and the train tracks reconfigured to allow two additional tracks to be constructed. These new tracks will then enter the new Metro Tunnel.

The decline structure and tunnel entrance are proposed to be built via a 'cut and cover' method, which will see them excavated from the top down and the surface then reinstated over the top of the tunnels.

A tunnel boring machine (TBM) retrieval box will be constructed in the rail reserve between Osborne Street and the existing Sandringham line. TBMs will be used to create the tunnels linking the eastern tunnel entrance to Anzac Station and the rest of the network.

These tunnels will pass under Osborne Street, Davis Avenue, Powell Street, Myrtle Street and Macfarlan Street and travel west under Toorak Road and St Kilda Road to connect with the new Anzac Station.

South Yarra Siding Reserve will be closed for up to four years.

Construction Timeline

Construction timeline South Yarra