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Thomas & Friends

Signal Boxes (also known as Signal Towers) are where the signalmen work. Here, they control the points, point locks, signals, level crossing gates and occasionally movable bridges using levers located in what is known as a lever frame.

Levers in signal boxes are coloured according to their function:

  • Red levers control home signals.
  • Yellow levers control distant signals.
  • Black levers control points.
  • Blue levers control point locks.
  • Brown levers control gate locks.
  • White levers are spares.

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