30 C.F.R. § 57.14214 Train warnings.
Title 30 - Mineral Resources
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.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart M—Machinery and Equipment
Safety Practices and Operational Procedures
§ 57.14214 Train warnings.
