Signal Systems Failed Days Leading Up To Train Crash
Published Date: 07-01-2009 10:01 PM CT
Investigators say equipment that's supposed to detect stopped trains in Washington, D.C., failed periodically in the days leading up to a deadly train crash.Nine people were killed and more than 70 injured June 22 when one train slammed into another stopped on the tracks near the Maryland state line.The National Transportation Safety Board says the signal system problems began occurring after a piece of equipment was replaced five days before the crash.The NTSB says the signaling system at the crash site also failed intermittently during tests after the crash.
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