Train

Single vehicle or a number of coupled vehicles/units operating on a guided ground transport system. Note 1 to entry: See Table 1. Table 1 — Definitions of rolling stock formations Articulated Vehicle - see unit. Unit - minimum operational formation of articulated cars. Train - refers to any formation which may operate in service, it may comprise of one or more units coupled together. Non-articulated Vehicle - any single car on its running gear. Unit - minimum operational formation comprising of one or more vehicles coupled together. Train - refers to any formation which may operate in-service, may be either a single unit or one or more units coupled together.