Deep underneath Swanston Street on the Melbourne Metro Tunnel project workers have excavated the new Town Hall Station, measuring larger than a city block and as deep as a five story building.
The last Tunnel Boring Machine (TBM), Meg, has been launched from the Metro Tunnel Arden site in North Melbourne.
To progress works on the Melbourne Metro Tunnel Project the final two Tunnel Boring Machines (TBMs) have been launched.
Tunnel Boring Machine (TBM) Sandy has broken through at Bayswater Drive marking the completion of tunnelling on the Forrestfield-Airport Link.
Four tunnel boring machines (TMBs) are now leaving Sydney after finishing tunnelling under the city, delivering 30 kilometres of twin metro railway tunnels.