Technology | 2009.07.26
Metro: Train Control System Malfunctioning - Washington Post
 Washington Post | Metro: Train Control System Malfunctioning Washington Post The train control system designed to prevent Metro crashes is malfunctioning across the railroad system , suggesting that a technological failure at the ... NTSB: DC train system had chronic signal problems Investigators examining glitches around system NTSB: DC train system had chronic signal problems |
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