The Rail Under Road Bridge and Signalbox is a location that has appeared in the opening credits since the first season. It appears to be located on Thomas' Branch Line.

It has also appeared in the Railway Series book Gordon the Big Engine, as well as several episodes of the first season, stock footage in the second season, a deleted scene from the third season, and the CGI Series.


  • Since the seventeenth season, fencing has been added on the sides of the bridge.