Yanchep Line Platform Change Sun 16 Aug - Tue 18 Aug The Yanchep Line will run from Perth Station Platform 9 nightly from Sunday 16 until Tuesday 18 August to facilitate maintenance works on the Mandurah Line.The last Yanchep Line train to depart from Perth Underground Platform 1 will depart at 9.12pm on Sunday night and 10.17pm on Monday and Tuesday nights.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.