Final answer:
A flashing red traffic light directs the driver to stop and only proceed when the way is clear. It's an important safety measure to prevent accidents and protect pedestrians at intersections.
Step-by-step explanation:
A flashing red traffic light means c. the driver must stop and not go until you can enter the intersection without interfering with approaching traffic. This rule is imperative for traffic safety and ensuring an orderly flow at intersections. When many vehicles speed through intersections without regard to the posted speed limit, it significantly increases the risk of accidents. The installation of traffic signals is often motivated by the aim to lower speeds and to allow for safer crossing by pedestrians, which includes students coming to or leaving campus. In areas with a high accident rate, such as those where traffic accidents occur frequently, traffic signals can significantly reduce the number of collisions and potentially save lives. For example, one accident resulted in a loss of life, emphasizing the importance of obeying traffic signals.