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Yes, a thread about locomotives, rail transport, and everything related.
I have a question: When it comes to railway signalling, I've sometimes seen a blue light which is on the ground in between tracks. What does that indicate exactly? I can't find a pic of it, but I'm fairly sure I've seen it before, in two different countries.
Also, who else thinks that the old diesel locomotives are some of the meanest-looking machines ever built?
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Seeing as I'm the one regular member who has any possible chance of knowing what you're talking about... what are you talking about? Can you give a better description of this blue light and where to see it?