The hearing included a spirited discussion over how much blame to assign to the lack of positive train control. Amtrak noted that positive train control was already in place on most of its portion of the north-east corridor. Duy Nguyen, of Teaneck, New Jersey, a passenger who suffered a cut on his head and fractures in his back, attended the NTSB hearing. Related: Amtrak crash: two dead and dozens injured after train derails near PhiladelphiaAt the time of the Philadelphia crash, the technology had been installed at the accident site but was still being tested. Before the crash, he apparently commented in an online forum for train enthusiasts, lamenting that railroads hadn’t been fast enough to adopt positive train control.

Source: The Guardian May 17, 2016 17:22 UTC