| 11. | Two signal boxes one at each end of the station were closed and new colour light signals provided.
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| 12. | While now the standard colour light signal in the Britain, these have not been widely adopted outside of the UK
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| 13. | The "'signal head "'is the portion of a colour light signal which displays the aspects.
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| 14. | A basic double light colour light signal consists of two multiple lamp colour light signal heads, one above the other.
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| 15. | A basic double light colour light signal consists of two multiple lamp colour light signal heads, one above the other.
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| 16. | Between Wendlingen and Kirchheim, the line has colour light signals and is controlled from two interlockings in Wendlingen and Kirchheim.
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| 17. | The majority of early single light colour light signals had either been replaced or retrofitted with red marker lights, by 2000.
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| 18. | Some Upper Quadrant Semaphore signals were adapted as Single Light Colour Light signals giving the same colour indications while retaining the arm.
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| 19. | The remote-controlled points were replaced by resetting points, supported by train-controlled entry and distant colour light signals.
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| 20. | There are colour light signals located at Tywyn Wharf, operated from the Control Office and disc signals controlled from the ground frame.
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