Trackless train

A trackless train — or tram (U.S. English), road train, land train, parking lot tram, Dotto train or Choo-Choo train — is a road-going articulated vehicle used for the transport of passengers, comprising a driving vehicle pulling one or more carriages connected by drawbar couplings, in the manner of a road-going railway train. Similar vehicles may be used for transport of freight or baggage for short distances, such as at a factory or airport.

Trackless train or land train are descriptive terms for the rubber tired road-going vehicles to distinguish them from rail mounted trains. The Tschu-Tschu train and Dotto train names stems from genericized trademarks of trackless train manufacturers, although Deltrain and The Railroad Factory also are manufacturers. Parking lot tram is a common name in the US, reflecting its use in parking lot transport.

The lack of a widely accepted generic name for trackless trains often leads to them being called trams, people movers or road trains. Due to cultural terminology differences, trackless train, tram and parking lot tram usages occur in North America, while land train, road train, Tschu-Tschu train and Dotto train are used in Europe.

A trackless train usually consists of a tractor unit pulling a number of articulated trailers or carriages in the manner of a locomotive-hauled railway train. The tractor unit can be powered by an internal combustion engine or an electric motor.

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Wikipedia