What is the main purpose of reflecting markers on trailers?

The main purpose of reflecting markers on trailers is to enhance visibility at night or in low-light conditions. These reflective markers are strategically placed on trailers to ensure they can be seen by other drivers, especially in situations where visibility is poor, such as during nighttime or in foggy weather. By reflecting light from vehicle headlights and other sources, these markers help prevent accidents by allowing other road users to gauge the size and position of the trailer, which is critical for safety on the road.

While improving aerodynamics, indicating weight limits, or marking a vehicle as commercial are important factors related to vehicle design, they are not the primary function of reflective markers. Reflective markers specifically address the need for increased safety through visibility, which is crucial for heavy vehicles that may be less conspicuous compared to smaller vehicles. Proper use of reflective markers directly contributes to reducing the risk of collisions, ultimately supporting safer driving conditions on the road.