They are called...

HighCommander Wrote:
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> Now, I know on a "real
> railroad" they are also called classification
> lights. So let's not go there.

John West Wrote:
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> A marker light is a marker light, and a
> classification light is a class light. They were
> different both in function and physical
> configuration.
> JBWX

Our previous #1 engineer, Red Shaub, retired after twenty five plus years running #90 in all weathers, and since passed away, referred to the lights in question with absolute authority as to nomenclature. They were “turn signals”.