2002-9-12 · DEPARTMENT OF LABOR Occupational Safety and Health Administration 29 CFR Part 1926 [Docket S-018] RIN 1218-AB88 Safety Standards for Signs, Signals, and Barricades AGENCY: Occupational Safety and Health Administration, Labor. ACTION: Final rule. SUMMARY: The Occupational Safety and Health Administration (OSHA) is revising the construction industry safety