Giant caverns, pinpoint accuracy: Inside the mission to finish Sydney’s largest tunnelling jigsaw
- Posted on November 4, 2025
- By The Sydney Morning Herald
- 2 Views
Giant caverns, pinpoint accuracy: Inside the mission to finish Sydney’s largest tunnelling jigsaw
Like a gigantic Meccano set, the most challenging part of the city’s under-harbour motorway tunnels is about to start in massive caverns beneath the inner west.
