30 C.F.R. § 57.9308 Switch throws.
Title 30 - Mineral Resources
Switch throws shall be installed to provide clearance to protect switchmen from contact with moving trains.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart H—Loading, Hauling, and Dumping
Safety Devices, Provisions, and Procedures for Roadways, Railroads, and Loading and Dumping Sites
§ 57.9308 Switch throws.

