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This is going to really sound dumb, but here goes: I'm trying to figure out RR Signals. I want to add them to my future layout with block detection, but I'm trying to find some information on how they work. I assume they work similar to traffic signals, but I pass many per day on the way into work and can't sem to make sense of them. There's the three colours, but it also seems that there are two signals per track. I'm wondering if these indicate of an upcoming train based on configuration or it is only an indicator for the engineer once he gets there. Is there a set spacing or does it depend on curves and level crossings etc etc etc. I figure there are some links to articles, but have yet to find them. How's that for a newbie question. Thanks Hooked for Life !!
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