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Rolling stock is the collective term that describes all the vehicles that move on a railway. It usually includes both powered and unpowered vehicles, for example locomotives, railroad cars, coaches and wagons.[1][2][3][4] However, the term is sometimes used to refer only to non-powered vehicles; specifically, excluding locomotives[5] which may be referred to as running stock or motive power.
The term contrasts with fixed stock (infrastructure), which is a collective term for the track, signals, stations, other buildings, etc, necessary to operate a railway.
Code names
In Great Britain, types of rolling stock were given code names, often of animals, such as "Toad" for a Great Western Railway goods brake van [6]. These codes were Telegraphese and were analogous to the SMS language of today. British Railways wagons used for track maintenance were named after fish, e.g. "Dogfish" for a ballast hopper [7].
See also
References
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