Its up to SBST if 39 want to give DDs or not coz idk 39 load
during peak n off peak
39 can be given DDs if extended to Sembawang Interchange. Also,
it will need DDs during AM peak specially... 4 buses have been
added over the last year because loading towards Pasir Ris/Seletar
very high in morning. PM is more distributed.
If extended to Sembawang, already add 20-30 pax per bus, making
use of DDs very necessary + no restriction of height that is
currently blocking use of DDs in Yishun Int.
Once it moves to Yishun temp int, you can expect 4 DDs on sv
39.
