Amtrak train crash 2012

CHICAGO - NOVEMBER 30: Rescue workers transport an injured Amtrak passenger after the passenger train collided with a freight train November 30, 2007 in Chicago, Illinois. More than 50 people were injured when the train reroute from Gran Rapids, Michigan to Chicago smashed into the back of a freight train on the city's south side. (Photo by Scott Olson/Getty Images)