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[quote user="tree68"] [quote user="Bucyrus"] However, if for instance, the lights began flashing yellow for ten seconds and then switched to red, and if the law were re-written to define the flashing yellow phase as a “prepare to stop” warning, then it would all make sense to the driver.  [/quote]Traffic lights turning yellow are generally translated by the motoring public these days not as "prepare to stop," but rather "step on it so you don't get caught by the light."[/quote] I am not necessarily advocating that the lights be modified with flashing yellow.  I just offer it as an example of what is missing from the crossing protection system logic. I understand your point about the yellow light encouraging some people to speed up.  That does happen at traffic lights, and some people who speed up still don’t make it in time.  But my point is that the lack of any pre-warning with grade crossing signals makes it impossible to comply with their law depending on vehicle speed and the stopping distance available when the signals activate.  And if you removed the yellow light phase from traffic lights, people would not be able to comply with them or their law either.   The same would be true if you removed the approach signals from railroading.
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