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Re: How Railroad Could Have Avoided / Ameliorated Fiery Crash

Posted by WillD on Fri Feb 6 18:07:38 2015, in response to Re: How Railroad Could Have Avoided / Ameliorated Fiery Crash, posted by Bill West on Fri Feb 6 17:33:19 2015.

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-MNR/LIRR, Uh where does one think that LIRR rail goes after it slopes down? Certainly not to the ground. The fact is there is plenty of opportunity to catch under it too.

-A barrier around the end of the third rail not only has to clear the shoe it has to clear the coach overhang. This is very tight, there is barely space for the protection board let alone a barrier of a useful strength.

But the LIRR's third rail is far more compatible with a short slope sided, U shaped concrete barrier that'd protect the third rail approach and force a foreign object up onto and over the third rail. The barrier would always be below the height of the shoes and thus would also be outside the dynamic envelope of the train.

IMHO this trial by error approach to system safety you espouse is the absolute worst way to go about learning from this accident. We do not know if this is a once in a century fluke. It may not have happened before this, but one example is bad statistics. It could happen again tomorrow, or next week, or next year. But it seems apparent that this sort of conflagration resulting from an accident is preventable. At the very least USDOT needs to study the impact of both types of third rail on grade crossing accidents.

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