Quite a number of them were deployed on Service 28 when it was
first introduced in 1994. It plied between Tampines and Bedok
Interchange then.
via Tampines Ave 7, Tampines St 41, Tampines Ave 9 (going past
Tampines JC), Tampines Ave 2, Tampines Ave 1, Bedok Reservoir Road,
Bedok North Ave 3, Bedok North St 1 and Bedok Interchange
(loop)
returning to Tampines Interchange.