Yanchep Line Platform Change Sun 11 Oct - Thu 15 Oct The Yanchep Line will run from Perth Station Platform 9 nightly on Sunday 11 and Tuesday 13 until Thursday 15 October to facilitate works on the Mandurah Line.The last Yanchep Line train to depart Perth Underground Platform 1 on Sunday night will be at 9.17pm.The last Yanchep Line train to depart Perth Underground Platform 1 on Tuesday, Wednesday and Thursday night will be at 10.17pm.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.