Stand By Time : The time an operator spends at the operating station, at the transit agency's direction awaiting assignment of a piece of work. Stand by time is called show up time or protection time by some transit agencies
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}