Sat. Sat. 12/10 & Sun. 12/11: Gold/Red lines operate on special 20-minute schedules. Blue/Green lines operate on special 24-minute schedules..
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 (June 2022):
Rail Mean Distance Between Failures in June was 19,062 rail car miles, which did not meet the target of 23,000 rail car miles. Note: Higher Rail Mean Distance Between Failures is better.