About
MARTA

Key Performance Indicators

Rail Mean Distance Between Failures

Definition: An industry standard that measures the mechanical reliability of the fleet. It measures the average rail car miles between National Transit Database (NTD) reportable mechanical failures i.e., incidents precluding a revenue vehicle from completing its trip, or starting its next scheduled trip.

Performance (April 2017):

In April, met the Target; the actual being 30,907 rail car miles.

Actions:

  1. Focus on improving Door and Friction Brake systems performance
  2. Reduce repeat failures
  3. Improve in-service troubleshooting