When may a school bus driver activate the 4-way hazard lights?

The activation of the 4-way hazard lights is an important safety feature for school bus drivers. They may activate the 4-way hazard lights when the bus is stopped at a bus stop. This action is crucial because it enhances visibility and alerts other road users that the bus is stationary, allowing for safe loading and unloading of students.

By turning on the hazard lights, the driver signals to other vehicles that they should exercise caution and be aware of the potential presence of children entering or exiting the bus. This practice helps to create a safer environment for students and minimizes the risk of accidents.

Activating the hazard lights during loading, making a turn, or performing a backup maneuver would not be appropriate, as those situations do not necessarily require the same level of caution for incoming traffic as when the bus is stationary at a bus stop. Hence, it's essential for drivers to understand when the use of hazard lights is most effective for enhancing safety.