What does a white shunt signal mean?

Shunt signals This type of signal is found in all depots and sidings. It is mounted to the ground unlike regular signals. It has three lights in a triangular shape and two white lights mean proceed at caution whereas any other indication should be taken as a stop signal or a malfunction.



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The signal lights usually have four indicators: Green: clear to go. Double yellow: still clear to go, but indicates that the following signal may be a warning. Yellow: warns that the next signal may be red. Red: means stop or danger ahead.

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Railway signalling principles The signal lights usually have four indicators: Green: clear to go. Double yellow: still clear to go, but indicates that the following signal may be a warning. Yellow: warns that the next signal may be red. Red: means stop or danger ahead.

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