||A system of tracks other than main tracks and sidings. A yard is used for making up trains, for storing cars, and for other purposes.
||Person engaged in clerical work in and around yards and terminals. In some locations, person engaged in checking tracks.
||An engine being used in yard service.
||A yard conductor.
||A portion of main track designated by special instructions. Yard limits are identified by signs.
||Building erected within a yard or terminal in which business is conducted.
||A cabless slug unit, not equipped with a diesel engine, but equipped with MU capability and traction motors, which receive electrical power from a mother locomotive.
||Person responsible for control of trains and engines operating within a yard.