Final answer:
The correct action when approaching a stopped school bus with flashing lights is to come to a complete stop to ensure the safety of children.
Step-by-step explanation:
When approaching a stopped school bus with flashing lights, the required action is to come to a complete stop. This is to ensure the safety of children entering or exiting the bus. It is both a legal requirement and a crucial safety precaution. Ignoring this can lead to severe penalties and endanger lives. It's always important to follow traffic laws and be aware of your surroundings, especially where school buses and children are concerned. . It is important to stay stopped until the bus resumes its motion or when the flashing lights are turned off by the bus driver.