Airport and Fremantle Lines Platform Change Sun 05 Oct - Sun 05 Oct The Airport and Fremantle lines will run from Perth Underground from first service until last service on Sunday 5 October to facilitate maintenance works.Services will resume from the regular platform from first service on Monday 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