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The NTSB recently wrapped its investigation of the crash site in August.
Read More →As part of the ongoing investigation, the NTSB is continuing to examine components from the train control system in WMATA's laboratory facility in Landover, Md., and at WMATA's Operations Control Center.
Read More →To date, significant work has been done to determine why the presence of train 214 was not identified on the train control circuit that allowed train 112 to crash into it. The NTSB's accident investigation is continuing, and more work is needed to fully understand why the train control system did not perform as designed.
Read More →Board member nominated for the two-year term as Chairman by President Barack Obama on June 18 and confirmed by the United States Senate on July 24.
Read More →Immediate safety steps taken include hourly announcements to all operators reminding them it is a rule violation to cut-out or bypass any vehicle function or change operating modes without approval from Central Control.
Read More →Two signal companies, Ansaldo STS USA and Alstom Signaling Inc., which designed and manufactured the automatic train control components for the Metro system, are providing technical assistance to the NTSB investigation.
Read More →Driver had turned off automatic controls beforehand. Dozens injured. NTSB leading investigation.
Read More →Positive Train Control technology is capable of automatically controlling train speeds and movements should a locomotive engineer fail to take appropriate action.
Read More →The two-train collision on the MBTA Green Line last year occurred as a result of the trolley operator's failure to obey a signal indication, due to a possible sleep disorder and the lack of a positive train control system.
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