Tunnel boring machines (TBMs) are large machines that excavate below the ground surface, while simultaneously installing concrete lining units to build a tunnel.
Emergency egress shafts provide safe exit points in the event of an emergency, and access to the Forrestfield Line's twin-bored tunnels for maintenance,
Located immediately south of the control tower adjacent to Terminal 1 and 2, Airport Central Station will provide passengers with a direct 18-minute train journey to the CBD.
Located 9kms from Perth CBD, Belmont Station will service the growing local community and offer passengers a 15 minute trip into the city.
With TBM Grace's journey well underway, and TBM Sandy set to start tunnelling later this month, activity across all sites is ramping up.