Perth, Australia
Major works on the $1.86 billion Thornlie–Cockburn Link (TCL) are well underway, marking a new chapter in the
expansion of Perth’s METRONET network. As Western Australia’s first east–west rail connection, the TCL will
revolutionise public transport by linking the existing Mandurah and Armadale lines, providing faster, more direct access
across Perth’s southern suburbs.
Once completed, the 17.5-kilometre Thornlie–Cockburn Link will add two new stations at Ranford Road and Nicholson
Road, while upgrading existing infrastructure at Thornlie and Cockburn Central. The project will also deliver key
improvements to the surrounding transport corridors, easing congestion and supporting future population growth.
Project Delivery and Scope
Delivered by the NEWest Alliance — a joint venture between CPB Contractors and Downer — in partnership with the
Public Transport Authority (PTA) of Western Australia, the TCL project includes:
– Construction of new rail lines and duplication of existing tracks
– Relocation and rebuilding of Thornlie and Cockburn Central stations
– New pedestrian and road bridges, grade separations, and shared paths
– Complex rail systems integration, including signalling and overhead electrification
– Coordination with Main Roads WA for associated road network upgrades
In addition to delivering critical transport infrastructure, the Thornlie–Cockburn Link will support more than 1,680 jobs
over the life of the project, creating opportunities for local workers, apprentices, and suppliers.
Community and Environmental Commitment
As part of METRONET’s broader sustainability objectives, the Thornlie–Cockburn Link incorporates initiatives such as:
– Minimising the environmental footprint of construction works
– Protecting local bushland and fauna habitats
– Enhancing active transport connections with new cycling and pedestrian paths
The project team continues to work closely with local communities and Traditional Owners, ensuring that engagement,
cultural heritage management, and future land use planning meet the needs of all stakeholders.
Looking Ahead
When operational, the Thornlie–Cockburn Link will allow passengers to travel between Thornlie and Cockburn Central
in under 15 minutes, saving time and improving connectivity across Perth’s growing southern corridor. It also lays the
groundwork for future rail expansions and supports integrated land use planning around new station precincts.
With practical completion targeted for late 2025, the Thornlie–Cockburn Link represents another key milestone in
transforming Perth’s public transport future — delivering faster, smarter, and more sustainable travel options for
generations to come.
