longest bus ride: 14, 51, 61, 67 etc etc...
service with very nice scenery:
Svc 30, when on the Benjamin Sheares Bridge. You can see the city
and the sea from the bus. Svc 36 also, but limited view.
Svc 36 along the part of ECP from Laguna Flyover to the airport.
Very nice view of flora esp. along the airport emergency
runway.
Svc 9, 19 & 89 along Nicoll Drive. Can see the sea.
Svc 35 along Changi Coast Rd.