TBM tracker
Four tunnel boring machines - named Joan, Meg, Alice and Millie - have been used to dig the majority of the Metro Tunnel. Learn more about how we are building the Metro Tunnel.
Joan
Completed
Kensington to State Library
Completed
State Library to Town Hall
Total distance tunnelled
4,271m
Total rings installed
2,521
Meg
Completed
Kensington to State Library
Completed
State Library to Town Hall
Total distance tunnelled
4,267m
Total rings installed
2,519
Millie
Completed
Anzac to South Yarra
Completed
Anzac to Town Hall
Total distance tunnelled
3,470m
Total rings installed
2,040
Alice
Completed
Anzac to South Yarra
Completed
Anzac to Town Hall
Total distance tunnelled
3,460m
Total rings installed
2,035
Indicative only, residents and local businesses seeking specific information regarding the location of a TBM please get in touch with the project team on 1800 105 105.
Learn more about how we are building the Metro Tunnel.