What is the required area for the reflective surfaces of vehicle reflectors?

Answer: C — 4 square inches

The required area for the reflective surfaces of vehicle reflectors is indeed 4 square inches. This regulation ensures that the reflectors are sufficiently sized to effectively reflect light, making vehicles more visible to others on the road, especially in low-light conditions. Properly sized reflectors are crucial for safety; they enhance the visibility of the vehicle from various angles and distances, allowing other drivers and pedestrians to react accordingly. This standard is part of vehicle safety regulations aimed at reducing accidents and improving overall road safety.