Stand Changes at Yanchep Secondary College Mon 13 Jun From Monday 13 June, there will be stand changes at Yanchep Secondary College. Services will depart from the following stands: Stand 1 Route 490 to Two Rocks. Stand 2 Route 491 to Yanchep. Stand 4 Route 491 to Butler Station. There are no changes to trip times. 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.