Its not a matter of DD but SMRT commuters are so used to bendy
that they arent used to get to upper deck..
From my point of view svc that suits DDs
61,67,106,167,171,184,187,188,190,700,851,854,855,857,960,963,965,966,969
Service that suits both DDs and Bendies
169,172,180,189
Service that suit bendies
Feeders,Intratowns,176(Restriction),859,860,962,964