Joondalup Line - Nightly Platform Changes Sun 28 Apr - Thu 02 May The Joondalup Line will undergo nightly platform changes at Perth Station from Sunday 28 April until Thursday 2 May, in order to facilitate works taking place. The Joondalup Line will depart from Perth Station Platform 6. The last services from Perth Underground nightly will be: Sunday night: 8.15pm Weeknights: 8.23pm Trains will resume from the regular platforms with the start of timetabled services each morning. If you require further assistance regarding service changes or planning 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.