While most of the city was sleeping, drones were being flown deep inside one of Sydney’s busiest motorway tunnels.

Key Facts:

Tunnel is 3.6km long

93,000 vehicles use it every day

It’s closed for maintenance every 3 months

Have a look at this Channel Nine News piece showcasing how technology is helping our hard working maintenance teams during our tunnel closures.

https://www.facebook.com/9NewsSydney/videos/643273882867119/