Philadelphia Amtrak derailment was caused by radio distraction
 

Just over a year has passed since a train barreled into one of the sharpest curves along the **rtheastern railroad corridor at 106 miles per hour -- more than double the speed zoned for the stretch -- and flew off the rails just minutes outside of Center City.http://feeds.feedburner.com/~r/NydnRss/~4/Cr4YTDtn-Jc

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