These buses are Volgren bodied Mercedes Benz OC500LE CNG for the Rockingham Shuttle from the train station to the beach.
(https://www.actbus.net/forum/proxy.php?request=http%3A%2F%2Fi611.photobucket.com%2Falbums%2Ftt193%2FBus400%2FTransPerth%2FRCCTS1RockinghamStation.jpg&hash=a20e7170331d329d7dffba65f5076624303033ad)
RCCTS 1-Rockingham Station
(https://www.actbus.net/forum/proxy.php?request=http%3A%2F%2Fi611.photobucket.com%2Falbums%2Ftt193%2FBus400%2FTransPerth%2FRCCTS2KitsonStreetROCKINGHAM2.jpg&hash=beb620c0001ef47e67569275eaa5b71df5c2eea0)
(https://www.actbus.net/forum/proxy.php?request=http%3A%2F%2Fi611.photobucket.com%2Falbums%2Ftt193%2FBus400%2FTransPerth%2FRCCTS2KitsonStreetROCKINGHAM.jpg&hash=25585750d90a77c718d302df03f8223c2fb5e936)
(https://www.actbus.net/forum/proxy.php?request=http%3A%2F%2Fi611.photobucket.com%2Falbums%2Ftt193%2FBus400%2FTransPerth%2FRCCTS2KitsonStreetROCKINGHAM4.jpg&hash=148cd65220a1da4a89a9ef1d700a7dc45da780e3)
(https://www.actbus.net/forum/proxy.php?request=http%3A%2F%2Fi611.photobucket.com%2Falbums%2Ftt193%2FBus400%2FTransPerth%2FRCCTS2KitsonStreetROCKINGHAM3.jpg&hash=23e097eb0766a3c69b0380798a8a4d8c69a3f0fa)
All RCCTS 2-Kitson Street ROCKINGHAM
(https://www.actbus.net/forum/proxy.php?request=http%3A%2F%2Fi611.photobucket.com%2Falbums%2Ftt193%2FBus400%2FTransPerth%2FRCCTS3PortKennedyTerminus3.jpg&hash=12661394823179a1262c2cbbedec998d7b2e82e8)
(https://www.actbus.net/forum/proxy.php?request=http%3A%2F%2Fi611.photobucket.com%2Falbums%2Ftt193%2FBus400%2FTransPerth%2FRCCTS3PortKennedyTerminus2.jpg&hash=6bfd08ef8a952fff6265ae4c395d5475f15be44a)
RCCTS 3-Port Kennedy Terminus
(https://www.actbus.net/forum/proxy.php?request=http%3A%2F%2Fi611.photobucket.com%2Falbums%2Ftt193%2FBus400%2FTransPerth%2FRCCTS3PortKennedyTerminus.jpg&hash=3efe49fc5ea117252fa1a7dc908e98809e14e551)
RCCTS 3-Internal
(https://www.actbus.net/forum/proxy.php?request=http%3A%2F%2Fi611.photobucket.com%2Falbums%2Ftt193%2FBus400%2FTransPerth%2FRCCTS3RockinghamStation.jpg&hash=57e3804f542b95f6f0b4a0b2e51e5d32aaeb82cc)
RCCTS 3-Rockingham Station
(https://www.actbus.net/forum/proxy.php?request=http%3A%2F%2Fi611.photobucket.com%2Falbums%2Ftt193%2FBus400%2FTransPerth%2FRCCTS4RockinghamStation.jpg&hash=113bc70f49dd150f38240dfb0860dc41e739fde3)
RCCTS 4-Rockingham Station
That's quite a nice livery.