Key Performance Indicators

Escalator Availability

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

Performance (September 2017):

In September, met the Target; the actual being 98.61%, planned downtime being 1,370 hours, unplanned downtime being 233 hours and the actual excluding planned downtime being 99.76%. 4 units were down at Civic Center, Doraville, North Springs and Peachtree Center stations.