{"data":{"id":"us/30-cfr-57.14214","jurisdiction":"us","citation":"30 CFR 57.14214","heading":"Train warnings.","body":"A warning that is audible above the surrounding noise level shall be sounded—\n(a) Immediately prior to moving trains;\n(b) When trains approach persons, crossing, other trains on adjacent tracks; and\n(c) Any place where the train operator's vision is obscured.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","Subpart M—Machinery and Equipment"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-30.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:24Z","sha256":"6ed0b1640f6dfdba74505bdd73d2c042f8db839666911b9d4a771f7f22057abe","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.14213","next":"us/30-cfr-57.14215"},"notice":"GroundRules: Original legal text. Not legal advice."}