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[quote user="zugmann"]You were talking about drivers don't want long delays.  Fine.  But most traffic light cycles are well under 2 minutes.  Yet drivers don't want to wait even that long.  So even if you waved a magic wand and only had train crossings occupied a maximum of 2 minutes every single time - people would still run the crossings. [/quote] I understand your point.  We are looking at drivers taking a risk to avoid a delay in two different situations. One is at traffic lights where the delay is certain to be no more than 2-3 minutes. The other is at grade crossings where the delay is unknowable ahead of time, but it is certain that it could easily be 15 minutes.  And it has the potential to be much longer.  Not every driver is aware of the potential for crossing delay, but many are.  I don’t see any way to know if drivers take more risk at grade crossing because of the potential for greater delay.  All I know is that they take risk at both intersections and grade crossings.  So the question I see is this: Do drivers take more risk at grade crossings because the potential length of the delay is greater—OR—do they take the same risk across the board once the delay time reaches the 2-3 minute threshold?  I have no proof, but common sense tells me that the greater the potential delay, the greater the risk that drivers are willing to take.
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