What is the maximum number of hours a school bus driver may work before going "OFF DUTY"?

The maximum number of hours a school bus driver may work before going "OFF DUTY" is 16 hours. This limit is in place to ensure that drivers do not become fatigued, which is crucial for the safety of the passengers and the public. Fatigue can lead to decreased alertness and increased likelihood of accidents. By establishing a 16-hour work limit, regulations help maintain a balance between productivity and safety.

This 16-hour limit is reflective of industry standards and helps ensure that drivers adhere to necessary rest requirements. Drivers must also comply with additional regulations regarding their rest periods to ensure they are not overworked and can perform their duties safely.

The other options represent durations that exceed the established safe working limits for school bus drivers, which could compromise safety and lead to increased risk of incidents on the road.