SN 73 - Requirements for High-visibility Apparel and Enforcement of the Federal Highway Administration Regulation, 23 CFR 634.

This OSH Standards Notice discusses the requirements for the use of high visibility apparel and FHWA 23 CFR 634 - Worker Visibility.

Also reference CPL 02-01-050 - Personal Protective Equipment in General Industry. Additional resources and information can be found on the safety and health topic page for Personal Protective Equipment.