Joondalup Line - Nightly Perth Underground to Whitfords Closure Mon 27 May - Thu 30 May Trains on the Joondalup Line will be cancelled nightly between Perth Underground and Whitfords stations from Monday 27 until Thursday 30 May, in order to facilitate works. The last full-line services nightly will be: Departing Perth Underground: 8.38pm Departing Butler: 8.11pm. Train replacement bus Route 904 will run while trains are cancelled. Trains will continue to run between Whitfords and Butler stations. Passengers should allow extra travelling time and be aware that replacement buses may not connect with timetabled bus and train services. Find an estimate of how long your journey will take here. Due to space restrictions, bicycles are not permitted on Transperth buses, including train replacement services. For assistance or to plan your journey please call the Transperth InfoLine on 13 62 13 (TIS: 13 14 50). Hearing or speech impaired? Call via NRS 133 677 and ask for 13 62 13.