The purpose of ANSI Class 2 garments is to permit optimum conspicuity and greater visibility during inclement weather conditions, emergencies diverting attention from approaching traffic and / or vehicles exceeding speeds of 25 mph. Examples of people who would use ANSI Class 2 safety vests may include road construction crews, utility workers, survey crews. airport ground crews, law enforcement, railway workers, school crossing guards and toll gate personnel among others.