But we might soon see the last of the Optare Olympus Scania N250UD buses for route 498 because Go Ahead London's contract will come to an end by 27th June 2015. Leaving it to Stagecoach East Londonwith new double decks to operate on route 498 for a new contract.
So here is the video of the Optare Olympus Scania in action.
The registration for the bus is PN09ENK and their fleet number is 890. It is a formerly owned by Metrobus which is part of Go Ahead London's subsidiary.
Route 498 goes from Romford Queens Hospital to Brentwood via Gallows Corner.
History of route 498 can be seen from 'London Bus Routes' website.
History of route 498 can be seen from 'London Bus Routes' website.
Source
http://londonbusroutes.net/changes.htm