MTA Metro-North Mean Distance Between Failures: Beginning 2018

Mean Distance Between Failures represents the number of miles a rail car travels before a mechanical failure makes the train arrive at its final destination more than 5 minutes and 59 seconds later than scheduled. This measures the reliability of equipment in revenue service.

平均故障距离表征了铁路车辆在机械故障导致列车晚于预定时间超过5分钟59秒到达目的地之前所行驶的英里数。此指标用于衡量收入服务中设备的可靠性。