What is the purpose of a green traffic light?

Answer: B — To indicate that you can proceed with caution

The purpose of a green traffic light is to indicate that drivers can proceed with caution. A green light signifies that the intersection is clear, and vehicles can safely move forward. However, even with a green light, drivers should remain vigilant and be prepared for any unexpected situations, such as pedestrians crossing or other vehicles suddenly entering the roadway. This cautious approach helps ensure safety while obeying the signals. Recognizing that green lights allow movement, it's important to understand that it is not merely a signal to go full speed ahead, as this could lead to reckless driving or accidents. Instead, it encourages drivers to stay aware of their surroundings even as they are permitted to advance.