- (a) Diesel-powered equipment shall be operated at a speed that is consistent with the type of equipment being operated, roadway conditions, grades, clearances, visibility, and other traffic.
- (b) Operators of mobile diesel-powered equipment shall maintain full control of the equipment while it is in motion.
- (c) Standardized traffic rules, including speed limits, signals and warning signs, shall be established at each mine and followed.
- (d) Except as required in normal mining operations, mobile diesel-powered equipment shall not be idled.
- (e) Diesel-powered equipment shall not be operated unattended.