30 CFR § 56.20011 - Barricades and warning signs.

---
identifier: "/us/cfr/t30/s56.20011"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 56.20011 - Barricades and warning signs."
title_number: 30
title_name: "Mineral Resources"
section_number: "56.20011"
section_name: "Barricades and warning signs."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "K"
subchapter_name: "METAL AND NONMETAL MINE SAFETY AND HEALTH"
part_number: "56"
part_name: "SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 811."
regulatory_source: "50 FR 4054, Jan. 29, 1985, unless otherwise noted."
cfr_part: "56"
---


# 56.20011 Barricades and warning signs.

Areas where health or safety hazards exist that are not immediately obvious to employees shall be barricaded, or warning signs shall be posted at all approaches. Warning signs shall be readily visible, legible, and display the nature of the hazard and any protective action required.