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Amtrak takes immediate action on speed control

These are just "initial actions," the Federal Railroad Administration stressed, adding that additional steps will come.

Rescuers work around derailed carriages of an Amtrak train in Philadelphia, Pa. on May 13, 2015. (Photo by Jewel Samad/AFP/Getty)
Rescuers work around derailed carriages of an Amtrak train in Philadelphia, Pa. on May 13, 2015.

Anna Brand