About
MARTA

Key Performance Indicators

Bus Mean Distance Between Failures

Definition: An industry reliability standard that measures the mean distance (vehicle miles) between mechanical failures reportable to National Transit Database, i.e., those precluding a vehicle from completing its trip or starting its next scheduled trip.  

Performance (February 2018):

In February, met the Target; the actual being 7,890 miles. The overall number of breakdowns decreased from 1,000 in January to 839 in February. The number of engine failures increased by 1%, that of HVAC decreased by 42%, that of cooling system decreased by 17% and that of brake system decreased by 27%.