The right option is; All of the above
Controlled intersections are road intersections that use traffic lights, signals, road markings or signs to control traffic. When a driver reaches a controlled intersection, it is compulsory to obey the rules, signs or signals. A flashing red light at a controlled intersection indicates that the driver should stop completely and drive through the intersection when the road is clear while a flashing yellow light indicates that the driver should proceed with caution.
