About
MARTA

Key Performance Indicators

Mobility Mean Distance Between Failures

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

Performance (August 2017):

In August, did not meet the Target; the actual being 9,810 miles - mostly due to an increase in engine and HVAC related failures.