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Rail Mean Distance Between Failures
Definition: Measures the mean distance (rail car miles) between mechanical failures reportable to National Transit Database, i.e., those precluding a rail car from completing its trip or starting its next scheduled trip.
Performance (June 2023):
Rail mean distance between failures (MDBF) was 13,652 in June 2023, which did not meet the target of 23,000 or more miles.