Joondalup Line Nightly Platform Changes Sun 17 Jul - Thu 21 Jul The Joondalup Line will run from Perth Station Platform 6 nightly from Sunday 17 until Thursday 21 July, in order to facilitate works on the Mandurah Line.The last Joondalup Line trains depart will Perth Underground each night at 10.15pm.Services will resume from the regular platform from first service 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.