Route 427 and 428 Service Changes Sun 31 Aug From Sunday 31 August, routes 427 and 428 will undergo minor changes to introduce a deviation to Workpower in Balcatta. The below trips will be impacted: Route 428 trip departing Warwick Station at 7.49am towards Stirling Station will deviate via Workpower Route 427 trip departing Stirling Station at 3.06pm towards Warwick Station will deviate via Workpower at approximately 3.18pm. Workpower will be served by new Stop No. 29635 on Mumford Pl. 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.