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Metro Tunnel

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.