yardmaster

/ˈjɑrdˌmæstər/
noun
  1. A person who manages or supervises a railroad yard, directing the movement of trains and rail cars.
    • After years of working on the rails, she was promoted to yardmaster at the busy Chicago terminal.
    • The yardmaster signaled the engineer to move the freight cars onto the main track.
    • The yardmaster's job requires constant communication with train crews and dispatchers.
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