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The Rail Under Road Bridge and Signalbox is a location on Thomas' Branch Line between the Tower Windmill and Dryaw.

It has appeared in the Railway Series book Gordon the Big Engine, the first series, stock footage in the second series and in the opening credits from the first to the eighteenth series.



  • The set has gone through several aesthetic changes in the television series:
    • Series 8:
      • The bridge changes colour from beige to red.
      • The design of the signal box changes.
    • Series 13:
      • The bridge becomes a deeper shade of red.
      • A house is added beside the tracks (though it frequently disappears and re-appears between episodes).
    • Series 17:
      • White fencing is added beside the road (though like the house it frequently disappears and re-appears between episodes).
    • Series 20:
      • The bridge becomes much wider, with the road now accommodating two lanes.
  • The original bridge prop is owned by Twitter user TomsProps.
  • The remade bridge prop is now on display at Drayton Manor Theme Park.


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