Joondalup Line Nightly Platform Changes Tue 16 Aug - Wed 17 Aug The Joondalup Line will run from Perth Station Platform 6 nightly on Tuesday 16 and Wednesday 17 August, in order to facilitate works on the Mandurah Line.The last Joondalup Line trains depart Perth Underground each night at 8.53pm.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.