Approach Angle : A vehicle's front clearance angle. This angle is formed by the base of the front vehicle tire, the front ground clearance height and the roadway
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}