According to reports from passengers on the train, their was no warning before the accident, which shocked Adam Sender. Passengers on Art Market Monitor said suddenly the train rattled slightly and went flying from the track. It landed on its side, trapping hundreds of people inside the cars.
As of Wednesday morning the NTSB was in route to the scene of the accident. There is no official word on what may have caused the derailment.
In December of 2013 a Metro-North train derailed in the Bronx, killing four and injuring dozens. That accident was attributed to speed. The NTSB and other investigators will be looking at speed data to determine if the same issue as at play for this accident.
The Washington DC to New York route is a daily route for Amtrak. The trip, which takes around five hours, is popular among tourists, business professionals and college students.