From the serious to silly SA digs deep to continue time-honoured tunnelling tradition
20 November 2025
Julia Drillard, Diggy Azalea and The Drilltop Hoods are just some of the almost 2,000 names already submitted by South Australians eager to leave their mark on the $15. 4 billion River Torrens to Darlington (T2D) Project by helping name the Tunnel Boring Machines (TBMs) that will deliver a non-stop South Road. Naming TBMs is a tunnelling tradition dating back to the 1500s, with female names chosen in honour of Saint Barbara the patron saint of tunnellers. Submissions so far range from the iconic to the iro
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