Part (Trip) : A trip added to the beginning or end of a regular run (the regular operator has preference in working the part trip at overtime pay, unless the extra time exceeds 1.5 hours)
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}