Perth Underground Escalator Disruption Fri 04 Sep An escalator at the southern end of Perth Underground Platform 1 is out of service until further notice. Passengers can continue to use lifts, stairs and the remaining escalators to access platforms 1 and 2. For further assistance or to plan your journey 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.