Federal Investigators at Scene of NJ Train Crash Within Hours

Investigators wonder why the track didn't have the latest safety technology.
2:33 | 09/30/16

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Transcript for Federal Investigators at Scene of NJ Train Crash Within Hours
We are also learning more about the engineer and this central question tonight why was there are no emergency system that kicked in to stop the train. ABC's David cruelly on that part of the story tonight. The destruction in the station the cross rail cars a lack of breaking according to witnesses all indicating the transit train entered the station too fast. Traded just plowed through whatever barrier was at the end of the the end of the track religious casket were running every way the question tonight why. Trains approaching Hoboken a dead end station. Must slow to traverse a maze of rail lines before the final slow speed straight away into the station but this train may have been traveling thirty miles an hour according to accounts slamming through a bumper stopped. Launching it into the air and crushing into a waiting area room wall the 48 year old engineer is said to be cooperating. Investigators will want to know if there was a mechanical problem with the train or was the engineer distracted to the other medical issue and while unlikely foul play has not been ruled out. New Jersey transit rail like all railroads was ordered back in 2008 to install positive train control. Here that alarm I had to put a brake on computers and sensors can be installed all the way into the station and take over a speeding or dangerous strain and that human error happens. It will take control of the train away from locomotive engineer and bring the train to a sky. Amtrak has installed PTC on most of the northeast quarter after that 2015 Amtrak train derailment near Philadelphia eight people died. Speed was also a factor in 2011. A Mother's Day commuter train crash at another Hoboken station which left dozens injured. Despite the ability to prevent accidents railroads have been slow to adopt PTC and its automatic braking. As of July new Jersey transit reported that not one of its trains none of its tracks has the system yes. This train have a positive train control all the way into the station could this accident have been avoided. The NTSB has been recommending positive train control or PT seat for forty years so we will look at that. People are going to be so frustrating to hear that system does not exist on that train and so many others David Curley also live on the scene tonight. And David there was data recorder so crucial they're still hoping to get to them tonight. They do hope to recover the event data recorder tonight David as well as the video from two cameras on a train. But the canopy collapse it has asbestos and at that could slow them getting into the cars and movie this investigation forward David David Curley on the scene forced tonight David thank you.

This transcript has been automatically generated and may not be 100% accurate.

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