What does a yellow traffic light indicate?

Answer: A — The light is about to turn red; prepare to stop

A yellow traffic light serves as a warning that the light is about to change to red. Drivers must understand this signal as an indication to prepare to stop, particularly if they are approaching the intersection and can do so safely. It is important for safety that drivers assess their position when they see a yellow light; those who are already close to the intersection should not speed up to clear the intersection but instead begin to slow down with the intention of stopping. The yellow light is critical in traffic control as it communicates a necessary response from drivers, ensuring that they have enough time to react to the upcoming change in traffic signals. Awareness of this signal is essential for maintaining safety and order on the roads.