CDL School Bus Endorsement Practice Exam

A school bus driver should only consider passing another school bus when it is parked. When a school bus is parked, especially if it’s not picking up or dropping off students, it indicates that there are no immediate safety concerns related to children getting on or off the bus. In contrast, if a school bus is moving, passing becomes dangerous because you cannot predict the bus's behavior or the possibility of unexpected stops. When the lights are flashing, it serves as a warning that children may be present and boarding or disembarking from the bus, making it illegal and unsafe to pass. Lastly, the presence of other vehicles does not warrant passing a school bus when it is actively engaged in its duties. Any passing maneuver under those conditions could create hazardous situations for pedestrians and students around the bus. Understanding the right context and conditions for passing a bus is crucial for ensuring the safety of children and complying with traffic laws designed to protect them.