Click here to ask your driving related question.

Ask a driving related question on

CDL School Bus Driver Practice Test

Question 1

Progress: Question 1 of 25
The brake-door interlocks _________.
Help you accelerate.
Apply the brakes and hold the throttle in idle position when the rear door is open.
Releases the brakes when the rear door is open.
Prevent loss of air pressure.
Provide feedback on this information
To protect your privacy, do not include contact information in your feedback.