Crews work to recover data recorder from train after crash

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  • This Oct. 1, 2016, photo provided by the National Transportation Safety Board shows damage done to the Hoboken Terminal in Hoboken, N.J., after a commuter train crash that killed one person and injured more than 100 others last week. Officials said one event recorder recovered so far from the train was not functioning on the day of the accident, but NTSB vice chair T. Bella Dinh-Zarr said the NTSB is hopeful the data recorder that is in the cab control car in the front of the train is functional. (Chris O'Neil/NTSB photo via AP)

    This Oct. 1, 2016, photo provided by the National Transportation Safety Board shows damage done to the Hoboken Terminal in Hoboken, N.J., after a commuter train crash that killed one person and injured more than 100 others last week. Officials said ... one event recorder recovered so far from the train was not functioning on the day of the accident, but NTSB vice chair T. Bella Dinh-Zarr said the NTSB is hopeful the data recorder that is in the cab control car in the front of the train is functional. (Chris O'Neil/NTSB photo via AP) (The Associated Press)

  • This Oct. 1, 2016, photo provided by the National Transportation Safety Board shows damage done to the Hoboken Terminal in Hoboken, N.J., after a commuter train crash that killed one person and injured more than 100 others last week. Officials said one event recorder recovered so far from the train was not functioning on the day of the accident, but NTSB vice chair T. Bella Dinh-Zarr said the NTSB is hopeful the data recorder that is in the cab control car in the front of the train is functional. (Chris O'Neil/NTSB photo via AP)

    This Oct. 1, 2016, photo provided by the National Transportation Safety Board shows damage done to the Hoboken Terminal in Hoboken, N.J., after a commuter train crash that killed one person and injured more than 100 others last week. Officials said ... one event recorder recovered so far from the train was not functioning on the day of the accident, but NTSB vice chair T. Bella Dinh-Zarr said the NTSB is hopeful the data recorder that is in the cab control car in the front of the train is functional. (Chris O'Neil/NTSB photo via AP) (The Associated Press)

  • This Sept. 30, 2016 photo shows a poster about train derailments displayed on a bulletin board at a New Jersey Transit maintenance facility in Hoboken, N.J. Since 2011, NJ Transit trains have been involved in more than 150 accidents that caused more than $4.8 million in damage to tracks or equipment and has paid more than $500,000 to settle safety violations, according to federal data. (AP Photo/Mike Balsamo)

    This Sept. 30, 2016 photo shows a poster about train derailments displayed on a bulletin board at a New Jersey Transit maintenance facility in Hoboken, N.J. Since 2011, NJ Transit trains have been involved in more than 150 accidents that caused more ... than $4.8 million in damage to tracks or equipment and has paid more than $500,000 to settle safety violations, according to federal data. (AP Photo/Mike Balsamo) (The Associated Press)

Crews are continuing to work to recover a data recorder from a commuter train that crashed in New Jersey, killing a woman and injuring more than 100 others.

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National Transportation Safety Board investigators have not yet been able to extract the recorder from the front car of a New Jersey Transit train that crashed into Hoboken Terminal on Thursday.

An NTSB spokesman says crews are working in 12-hour shifts to clear debris surrounding the train to ensure that it's structurally safe for investigators.

Officials have said a data recorder in the rear of the train wasn't functioning on the day of the crash. That recorder was supposed to store speed and braking information.

The NTSB has said the train's engineer told investigators that he has no memory of the crash.