To apply for SBSTransit as a bus captain, you can go to the
Interchange's control room to request for the application
form.
If you are a Singaporean Chinese and meet CDAC training requirment,
you may want to take your own class 4 /5 test 1st. Class 4/5
license is yours even if you leave the bus company.
(Note: not neccessary for application as the bus company will send
you for class 4A Vocational license training/test if you do not
have).
Details is as below:
http://www.cdac.org.sg/cdac_corp/resource/skills_courses/eng/Class%204-5-web.htm
CDAC SKILLS TRAINING AWARD SCHEME
Course
Class 4 or Class 5 Driving License
Full Course Fee
$550
CDAC Sponsored Fee
$412
Upfront Payment by Award Holder
$138
*Achievement Incentive
$110
*Upon successful completion and attainment of Class 4 or Class 5
Driving License
Award holders must achieve at least 75% attendance and sit for all
assessments. Those who failed to do so would have to refund the
sponsored amount of $412.