Key Performance Indicators

Escalator Availability

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

Performance (May 2017):

In May, met the Target; the actual being 98.89%; planned downtime being 1,125 hours, unplanned downtime being 274 hours and the actual excluding planned downtime being 99.73%. 3 units were down at Peachtree Center, Sandy Springs and Vine City stations.