Peak Period 2 : That time during which the maximum amount of travel occurs; may be specified as the morning peak hour or the afternoon or evening peak hour or as both combined
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}