(03 Jan 2015, 5:57 pm)tyresmoke wrote 1512 only lasted one trip on the 21A before being replaced, not sure what by though. Just as well given Peterlee doesn't sparkle right now! (Despite Darlington's best efforts)
4715 on X93 today
There was a Volvo B10BLE on the 21A alongside at least one OmniCity, so I had assumed that it would be the Volvo B10BLE which replaced it.
1512 appeared to be sitting spare in Middlesbrough Bus Station for the half an hour or so that I was there.