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(Bloomberg) -- The third fatal Amtrak crash in less than two months has thrown a spotlight on delays in installing congressionally mandated technology designed to automatically slow trains and prevent collisions.
New system work
In the most recent episode, work to install the new system, known as Positive Train Control, might itself have contributed to the crash outside Columbia, South Carolina, on Sunday, federal officials said. Employees had temporarily lowered the safety protections on the set of tracks where an Amtrak train en route from New York to Miami rammed into a parked CSX Corp. freight train.
