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[quote]QUOTE: Originally posted by jamison1 Is the puropse of a flanger sign to indicate to the engineer to lift snow plow for an approaching grade crossing, etc or were there other purposes? That's the only purpose Ive ever heard of so just wondering. [/quote] Railway Grade Crossings, Public Crossings at grade, switches, rail lubes, all those kinds of things, otherwise the flanger would tear them out, or just end up derailing.
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