NTSB: Conrail studied signal problems day before N.J. train crash

    Federal investigators say Conrail crews studied reported signal problems at a New Jersey railroad bridge the day before a derailment that caused a toxic chemical leak.

    The derailment Friday in southern New Jersey sent dozens of people to a hospital. More than 100 remain out of their homes Sunday amid evacuation orders.

    The National Transportation Safety Board is focusing on signal problems at the swing-arm bridge over a creek in Paulsboro.

    NTSB Chairman Deborah Hersman says Conrail crews had been having trouble getting a “go” signal in recent days. Sensors on the bridge control the signal.

    Hersman says the crew involved in the crash Friday examined the tracks and got permission from a dispatcher to proceed when they could not get a green light.

    Conrail, which owns and operates the bridge, says it is cooperating with the NTSB.

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