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Amtrak 501 Derail in Washington State
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<p>In this thread <a>http://cs.trains.com/trn/f/111/t/266914.aspx</a><br />the reasons for not straightening the 30 mph curve are discussed.</p> <p>In one post is stated that the contractor who installed the PTC system had promised to have it ready when the bypass inaugurated. This didn't happen for a number of reasons.</p> <p>So there would have been a system protecting against overspeed if everything had gone as planned. I don't see the need for an overlay speed control system. Thes are still manual not an automatic operated trains.</p> <p>The was an advanced warning sign, the engineer has his timetable showing speed restriction and he has hopefully had knowledge of the territory.<br />Regards, Volker</p>
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