The NSW Government has announced the three firms conducting its scoping study for the state's $15 billion Western Harbour Tunnel and Beaches Link project.
A joint venture has been selected to deliver the $3.9 billion WestConnex M4-M5 Rozelle Interchange.
Melbourne is set to receive the first of two tunnel boring machines (TBM), which will begin work on the West Gate Tunnel by early 2019.
The NSW Government has awarded the $1.376 billion Sydney Metro City and Southwest line works package to a joint venture.
Sydney Metro’s second tunnel boring machine (TBM) has started work to help deliver 31 kilometres of tunnels between Marrickville and Chatswood.