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About
MARTA

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 (March 2020):

Rail Mean Distance Between Failures in March was 21,967 rail car miles, which did not meet the target of 23,000 rail car miles. Note: Higher Rail Mean Distance Between Failures is better.