Why must a school bus driver retract the stop arm and turn off the red warning lights once loading or unloading is complete and it is safe to proceed?
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Correct answer to question 139 (School Bus): Leaving them active longer than necessary could confuse traffic about whether it is still required to remain stopped
Why
Promptly retracting the stop arm and turning off the red lights once it is safe to proceed avoids confusing traffic about whether the bus is still requiring a stop, keeping the signal system's meaning clear and reliable.
Updated: November 2026