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 (October 2019):

In October, met the Target; the actual being 24,320 rail car miles - an increase of 9,182 miles compared to that in September. ATC, doors and friction brake systems continue to malfunction most frequently.