Emergency crews work on the scene where a train hit a charter bus in Biloxi, Miss., Tuesday. The National Transportation Safety Board says the freight train was traveling about 19 mph at the time of the crash.
On Feb. 9, rescue teams work at the site where two trains collided head-on near Bad Aibling, Germany. A dispatcher whose errors allegedly caused the crash has been arrested after he admitted playing a game on his cellphone while he was working on the morning of the crash.
The Southeastern Pennsylvania Transportation Authority tests its Positive Train Control system at the agency's rail yard near Malvern, Pa. The system will cost SEPTA about $328 million. The regional passenger railroad is one of the few in the country that are on track to meet an end-of-the-year deadline for installing PTC.
Emergency workers stand near a burned-out SUV that was struck Tuesday night by a Metropolitan Transportation Authority Metro-North Railroad commuter train near the town of Valhalla, N.Y.
Mike Segar/Reuters /Landov