Final answer:
Flashing red light directs a driver to stop completely at the intersection before continuing travel when safe to do so.
Explanation:
The correct choice is: b) Flashing red.
When a traffic light flashes red, it directs a driver to stop completely at the intersection before continuing travel when safe to do so. This indicates a full stop is required, similar to a stop sign.
For safety, it's crucial to adhere to this signal to prevent accidents and ensure smooth traffic flow.
Learn more about Traffic Lights here:
https://brainly.com/question/28757768
