Platform Time - Line Service : The time during which an operator operates the revenue vehicle either in line service or in deadheading, including layover periods in the vehicle at a rest point
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}