Sv 15 those Volvo...
They're still new... Came in 1996...
They're replacing these batches
Volvo MK2 - 200 of them, came in 1988... (Replaced, with Volvo B9TL
WAB double decks)
Scania N113CRB - 200 of them, came in 1989... (Replacement
unconfirmed)
Mercedes O405 - 700 of them, came in 1990 - 1991 (This one I
believe due to CCL, the number need could be reduced by almost 200
of them)