Key Performance Indicators

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 (December 2023):

Rail mean distance between failures (MDBF) was 18,248 in December 2023, which did not meet the target of 23,000 or more miles.