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 (June 2022):

Rail Mean Distance Between Failures in June was 19,062 rail car miles, which did not meet the target of 23,000 rail car miles. Note: Higher Rail Mean Distance Between Failures is better.