MTA LIRR On-Time Performance: Beginning 2015
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On-Time Performance (OTP) determines how frequently a commuter train arrives at its final destination within 5 minutes and 59 seconds of its scheduled time.
准点运行表现（OTP）衡量通勤列车在预定时间加减5分钟59秒内抵达最终目的地的频率。
