The Mandurah train line will be affected by several night closures between July 31 and August 4 to allow for the necessary works in the new Aubin Grove train station.
The service will be cancelled between Rockingham and Cockburn Central stations and replacement bus 909 will be made available between the two stations.
The last service on Sunday 31 from Perth will be departing at 7.23pm, and the last one departing from Mandurah will be at 7.19pm.
From Monday 1 to Thursday 4, the last service will depart Perth at 7.38pm and Mandurah at 7.27pm.
Services will be resumed normally from the first service in the morning.
Transperth advises Mandurah Line passengers to allow for extra travel time.
For any further information call Transperth on 13 62 13.