During shift changes, the movement of underground trains carrying rock or material shall be limited to areas where the trains do not present a hazard to persons changing shifts.
Transportation of Persons and Materials
053-3 Wyo. Code R. § 57.9160
During shift changes, the movement of underground trains carrying rock or material shall be limited to areas where the trains do not present a hazard to persons changing shifts.
Transportation of Persons and Materials
053-3 Wyo. Code R. § 57.9160