Work train

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Washington Metro work car PM35 at Eisenhower Avenue station in Alexandria, Virginia providing support for a track maintenance operation.
Washington Metro work car PM35 at Eisenhower Avenue station in Alexandria, Virginia providing support for a track maintenance operation.

Work train refers to any of a number of rail cars intended for internal non-revenue use by the railroad's operator. Work trains serve functions such as track maintenance, maintenance of way, revenue collection, system cleanup and waste removal, heavy duty hauling, and crew member transport.

[edit] Types of work trains