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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 →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.
Read More →Includes provision requiring installation of anti-collision technology – positive train control – on railways shared by passenger and freight trains.
Read More →