Tunnel boring machine (TBM) Joan has begun its one-kilometre boring from the Parkville Station site to the new State Library Station site. It has already tunnelled 2.6km - first from Kensington to the new Arden Station in North Melbourne, and then to Parkville.

https://metrotunnel.vic.gov.au/about-the-project/news/tbm-joan-relaunches-towards-state-library