NEW YORK (CBSNewYork) – The National Transportation Safety Board is now blaming the train’s engineer for a 2017 Metro-North train derailment in Westchester.

The train was traveling from Stamford, Conn., to Grand Central Terminal when five of the 12 cars derailed in Rye.

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Investigators say the engineer was operating the train at 56 miles per hour in a 10 mile per hour speed restricted area.

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The lack of a fully operational positive train control system prevented conductors from stopping the train in time.

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There were 185 passengers on board, 12 of whom suffered minor injuries.