30 CFR Part 57Public Domain
§ 57.14214 — Train warnings
Subpart M — Machinery and Equipment
A warning that is audible above the surrounding noise level shall be sounded—
(a)Immediately prior to moving trains;
(b)When trains approach persons, crossing, other trains on adjacent tracks; and
(c)Any place where the train operator's vision is obscured.
Public Domain: 30 CFR Part 57 (MSHA Safety and Health Standards — Underground Metal and Nonmetal Mines) is a U.S. government publication and is not subject to copyright. Text extracted from the official source ↗. Figures are served from the eCFR; if one does not load, use the link in its place.