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Re-<a href="http://forums.thenorthwestern.com/viewtopic.php?t=14234">http://forums.thenorthwestern.com/viewtopic.php?t=14234</a>I noticed that "Investigator" suggested that failure-to-activate signal malfunctions are responsible for a large number of grade crossing crashes, and that railroads cover up this type of cause.  I have always wondered about the possibility of grade crossing signals failing to activate.  It seems rare, but not altogether impossible.  I have heard that grade crossing signals are fail safe.  But does that really mean that they cannot possibly fail?  If failure does occur from time to time, wouldn't there be accident records indicating that signal failure was the cause?  I would think there would be public statistics available.
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