👉 The term "autorail" is a combination of two words. It refers to an automated train system (ATS) that operates on tracks rather than tracks and rails, which are typically used for trains that do not have the capability to move on their own. The term "autorail" has been in use since the 1970s as a technical term for an automated train system that uses digital signals to control its movement. The term "ATSR" (Automatic Train System)