Fremantle and Airport Lines Platform Change Sun 13 Jul - Sun 13 Jul From first service on Sunday 13 July, Fremantle Line services will run from Perth Underground Platform 1 to facilitate maintenance works.Airport Line services will be disrupted between Claremont and High Wycombe, resuming between Perth and Claremont from Perth Underground Platform 1 from 8.35pm.Services will resume from the regular platforms 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