SBS9168S, SBS9170J, SBS9171G, SBS9172D, SBS9175X, SBS9177R,
SBS9178M, SBS9180E, SBS9183Y, SBS9184U and SBS9187L already
retired
Now left 5 Leyland Olympians running in Singapore
SBS9190B
SBS9192X
SBS9194R
SBS9198E
SBS9199C
Like that only the last 3 batches extended will be de-registered
at the end of its lifespan, whereas the previous batches of 113
buses extended were de-registered between September and December
last year.