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[quote user="The Butler"] <blockquote> <div><img src="/TRCCS/Themes/trc/images/icon-quote.gif" /> Bucyrus:</div> <div></div> snip...  If there are no trains coming, there are no warning signals activated.  Or are they?  Are they active because of the train standing on the far track?  ...snip <div style="clear:both;"></div>   </blockquote> My experience at METRA stations is that the pedestrian crossing signal sounds the entire time the train is at the station, moving or not. <div style="clear:both;"></div> [/quote] Well, if that is the case, then that is the heart of the problem.  Warning signals operating when there is no danger are the biggest danger of all.  They sow the seeds of disaster.  It would be much safter to have no warning signals at all than to have warning signals that routinely give false alarms.  Signals giving false alarms create danger for two reasons: 1)   Warning devices cause people to let their guard down and rely on the warning device. 2)  Falsely activating warning devices cause people to ignore warning devices after they have caused people to lower their guard and rely on the signals. I went back and read the article again.  It utterly fails to explain why signals give warnings that are not serious enough for pedestrians to heed.
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