Railcar

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A railcar (not to be confused with the generic term railroad car or railway car) is a self-propelled railway vehicle designed to transport passengers.^[1][2] The term "railcar" is usually used in reference to a train consisting of a single coach (or carriage, car, unit), with a driver's cab at one or both ends. In its simplest form, a "railcar" may also be little more than a motorized railway handcar, draisine or railbus.

Some railway companies, such as the Great Western, termed such vehicles "railmotors" (or "rail motors"). Self-powered railcars were once common in North America; and termed Doodlebugs.

Self-propelled passenger vehicles also capable of hauling a train are, in technical rail usage, more usually called "rail motor coaches" or "motor cars" (not to be confused with the motor cars, otherwise known as automobiles, that operate on roads).^[3]