Key Performance Indicators

Escalator Availability

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

Performance (October 2019):

In October, did not meet the Target; the actual being 97.63%, planned downtime being 1,793 hours, unplanned downtime being 613 hours and the actual excluding planned downtime being 99.38%. 3 units were down at Chamblee, Doraville and Arts Center stations.