本标准为铁路运输运营商（RTO）及其承包商提供了使用防撞和接近警告技术的指导，以控制在其他车辆或附近工人附近运行的维修车辆带来的风险。

This Standard provides direction to rail transport operators (RTOs) and their contractors of the application of collision avoidance and proximity warning technologies to control the risks imposed by maintenance vehicles operating near other vehicles or nearby workers.