When should reflective paint be used on traffic control devices at night?

Reflective paint is designed to enhance visibility during low-light conditions, particularly at night. When used on traffic control devices, it ensures that signs, signals, and road markings are clearly seen by drivers, which is critical for safety. The use of reflective paint at all times, as indicated in the correct answer, emphasizes the importance of consistent visibility regardless of the external lighting conditions. This not only helps in guiding drivers effectively but also plays a significant role in reducing accidents and improving overall traffic safety.

Inadequate visibility due to lack of reflective materials can lead to confusion, misinterpretation of traffic signs, and increased risk of collisions. Therefore, using reflective paint on traffic control devices is a standard practice that promotes road safety universally, particularly in nighttime scenarios.