Those which lifespan end by then will be phrased out, no more
further extensions
LTA already has a surplus of buses
The first order will replace 50 DM3500s, 34 Volvo Olympians and
all our bendies except MAN A24s.
The second order will replace 20 Dennis Tridents and 50 Volvo
B10TLs in 2021 (Dennis Trident) and 2023 (Volvo B10TL).
The third order will replace all our K230UBs.