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There is one hidden cost that you may need to pay if you have Atlas or other turnouts with powered frogs. Atlas sells a Snap-Relay that is basically a switch machine that works in tandem with your switch. This has contacts that route power to the frog, depending on the position of the switch. You can use one relay to power two switches if you operate both together, as in a cross over. I even have a double crossover with one relay providing power routing for all 4 frogs. <br />However, buying two items for a single switch is kind of expensive, so I bought Tortoise machines for some other switches. I know, why not keep all the same? But, the Tortoise has contacts built in to the switch, something that Atlas should have done, but maybe was constrained by their design? Anyway, my Tortoise machines are not yet installed, so I can't attest to their relative qualities vs. Atlas. I hear they are nice... <br />Dean
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