Traffic Actuated Signal : A traffic control signal whose right of way interval selection and interval times are varied by the demands of vehicular traffic for those intervals or movements
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}