It's the story of the Metro crash told through the eyes of first responders.
Red Line trains are back to running at full speed near Fort Totten and the crash site.
The Metro subway system says common sense and scientific analysis support its decision to sandwich older cars between newer ones
As a precaution, the system has been operating in manual mode since the June 22 crash in which nine people were killed.
Metro officials say ridership on both its train and bus systems fell in July.
A spokeswoman for the NTSB now says a Metro employee spoke about the March incident the day after the June 22 crash.
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