You will find below the FMCSA (Federal Motor Carrier Safety Administration) regulation for marking DOT regulated trucks and trailers. This regulation was passed by the NHTSA (National Highway Traffic Safety Association) in December of 1992 and is applicable to all trucks with a gross vehicle weight of 10,000 pounds and an overall width of 80 inches. The purpose of this regulation is reduce the number of collisions between large trucks and passenger vehicles. In 2001, the effectiveness of this regulation was analyzed and a report was prepared by the NHTSA showing a decrease in accidents of 44% for trucks and trailers properly treated with retro reflective tape.
