The National Transportation Safety Board has concluded that the cause of a 2015 Amtrak train derailment in Vermont was debris on the tracks from a rock slide.
The Amtrak train was headed from Vermont to Washington, D.C., when it hit rocks that had fallen onto the track from a ledge in Northfield, spilling the locomotive and a passenger car down an embankment, derailing three other cars. Four train employees and three passengers were injured.
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After the accident, geologists identified two other locations where rock slide mitigation was recommended. The report issued Wednesday says the railroad put in speed restrictions at those two areas.