Working on the road is a dangerous business, and most often the only thing protecting you from passing motorists is your high-visibility clothing. The sooner drivers can spot you, the safer your job is. The U.S. Department of Transportation, Federal Highway Administration requires that anyone working on or near a federal highway wear high-visibility clothing that meets or exceeds the American National Standards Institute (ANSI) standards, and all states have similar laws. ANSI Ratings for Reflec