About this season
The documentary series, filmed over seven years, delves into the complexities of the Sydney Metro project, focusing on the tunnel construction, including under-harbor tunnelling, the use of large tunnel boring machines, and excavation work deep below the city. It also highlights the role of steam locomotives and other aspects of the project including rigorous testing of the automated driverless trains to ensure the safety and longevity for many years of public use.
Episodes (4)
1. Great Expectations
Aired 3 April 2025 • 52 min
An extension is now underway to get people into the centre of Australia's biggest city, including a new tunnel crossing deep under Sydney Harbour.
2. Down And Dirty
Aired 10 April 2025 • 52 min
As Australia's largest transport project gets underway, we go back under Sydney Harbour to check out history in the making as the construction of the twin metro rail tunnels continues deep under the surface.
3. Testing Times
Aired 17 April 2025 • 52 min
After the completion of 30km of tunnelling, workers prepare to build railway stations, lay tracks and test driverless trains; at Central Station, Australia's busiest railway station, Central Walk, the underground pedestrian subway comes to life.
4. Countdown To Launch
Aired 24 April 2025 • 51 min
After almost 10 years of planning, building and testing, involving more than 60,000 people from around the world, Australia's largest transport infrastructure project nears completion.