Key Performance Indicators

Escalator Availability

Definition: Measures the percentage of service hours during which escalators are available for customer use.

Performance (April 2017):

In April, met the Target; the actual being 98.96%, planned downtime being 1,022 hours, unplanned downtime being 219 hours and the actual excluding planned downtime being 99.79%. 2 units were down at Arts Center and Sandy Springs stations.