Railways and Tramways of Australia
Thornlie–Cockburn Line

Transperth A Series train at Thornlie, preparing to head back to Perth, 15 January 2006. Photo: M Johnson, Wikimedia Commons.
Year Opened:
Cannington–Thornlie 2005; Thornlie–Cockburn 2025; Thornlie–Cockburn Central 2025
Stations:
Thornlie, Nicholson Road, Ranford Road
Typical Journey Time:
36 minutes (Perth–Cockburn Central); 18 minutes (Cannington–Cockburn Central)
Typical Peak Frequency:
15 minutes
Typical Off-peak Frequency:
15 minutes
Typical Weekend Frequency:
30 minutes
The Thornlie–Cockburn line is a connecting line between the Armadale line and the Mandurah line. It has junctions between Beckenham and Kenwick on the Armadale line, and between Murdoch and Cockburn Central on the Mandurah line. The line is double track and trains stop at all stations.