The business case is for a new railway line to service Greater Western Sydney and the new Western Sydney Airport. It includes new stations at the Western Sydney Airport and the Western Sydney Aerotropolis, as well as fully-automated driverless trains.

The business case was accepted for Infrastructure Australia's evaluation on 12 February 2020.

On 18 February 2021 Infrastructure Australia concluded its independent evaluation of the Sydney Metro Western Sydney Airport project and determined it will not include the project on the Infrastructure Australia Priority List at this time.

To find out more about how we evaluate projects, see our Submission Guidelines.