only difference is tat svc 167 turns left @ sembawang int to
pass by canberra rd, then right to canberra link n then turn right
upon sembawang rd jn
whereas 980 turns right to pass by sembawang dr, then left to
sembawang ave (my hse), then right n follows 167 all d way to
novena
last time was duplication from novena mrt to sembawang mrt
