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 (September 2017):

In September, did not meet the Target; the actual being 11,900 miles - an increase of 2,090 miles over that in the previous month and an increase of 5,413 miles (or 83%) over that in September 2016.​