If an employee works in a street or highway right-of-way and is exposed to traffic or construction equipment, they must wear a highly visible upper-body garment to comply with the U.S. Occupational Safety and Health Act of 1970.* Emergency responders and law-enforcement officers also must wear high-visibility apparel after an emergency has passed, and they’re doing traffic control, cleanup, investigations or similar tasks.
 
High-visibility apparel usually isn’t required for workers such as parking lot attendants and warehouse staff who don’t have street or highway exposure. However, wearing the garment makes them more visible. Employers should assess their ...