---
kind: "section"
citation: "30 C.F.R. § 57.9306"
title: "30"
number: "57.9306"
heading: "Warning devices for restricted clearances."
url: "https://uscodex.org/cfr/30/57.9306"
---

# §57.9306. Warning devices for restricted clearances.


Where restricted clearance creates a hazard to persons on mobile equipment, warning devices shall be installed in advance of the restricted area and the restricted area shall be conspicuously marked.


## Notes

### Source

Source: 53 FR 32526, Aug. 25, 1988, unless otherwise noted.

### Authority

Authority: 30 U.S.C. 811.

### Source

Source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.