MKBFMean Kilometer Between Failure
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"System Operational Reliability" refers to the average number of kilometers traveled per minute for a delay of more than 5 minutes, referred to as MKBF. The higher the value, the better the reliability.
SBS Transit is working towards the 1,000,000 train-km Mean Kilometer Between Failures (MKBF) target, an aim set for the Singapore Mass Rapid Transit (MRT) network by Transport Minister Khaw Boon Wan in July 2017.