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Metro North Accident in Valhalla, NY
Metro North Accident in Valhalla, NY

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    Expert: Technology to avert rail accidents too costly

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Expert: Technology to avert rail accidents too costly

A deadly train crash leaves 6 dead and investigators asking, "how did it happen?" Martin Savidge has the latest.

Expert: Technology to avert rail accidents too costly

A deadly train crash leaves 6 dead and investigators asking, "how did it happen?" Martin Savidge has the latest.