What is the minimum requirement for tail lights on trucks manufactured before 1960?

Answer: B — One tail light

The minimum requirement for tail lights on trucks manufactured before 1960 is one tail light. This regulation reflects the standards set to ensure even older vehicles maintain a degree of visibility and safety on the roads. Having at least one tail light allows other drivers to see the vehicle from behind, which is crucial for preventing accidents, especially in low-light conditions or at night. While more modern vehicles are typically required to have two tail lights for added visibility and safety, the regulations for pre-1960 trucks were less stringent, recognizing the technology and design expectations of that era. It is important to understand these historical regulations as they help inform vehicle safety standards and modernization efforts in vehicle design and manufacturing today.