Travel Distance 6 : The length of the escape route as a whole or the individual lengths of its parts, namely: (a) open paths; (b) protected paths; and (c) safe paths
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}