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[quote user="carnej1"]The Green Line and the DC Metro use very different signal and train control systems . IINM, the DC trains are much more automated with the Human operators as emergency backup so I do not think that we can assume the same circumstances (although I'm not suggesting human error can be ruled out).  IINM, the LRVs are much newer than the DC equipment so that may explain the lack of event recorders..[/quote] I had no idea the Metro trains were automated... I can see how different they are now!When were the Metro cars built?
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