The third roadheader has broken through at Melbourne's Town Hall station, marking the completion of excavation for the first level of rail tunnels running alongside the station's platforms.
The Melbourne Metro Tunnel's eastern entrance structure has been completed more than five months ahead of schedule.
The first of two Tunnel Boring Machines (TBMs) to work on the Cross River Rail project has been launched under the Woolloongabba site station
Sydney Metro is the largest public transport infrastructure project in Australia. It includes four separate train lines, tunnels under Sydney Harbour and, by 2024, 31 stations.
Two Tunnel Boring Machines (TBMs) have arrived in Queensland, to be assembled and deployed to dig out the Cross River Rail tunnels.