@Gothamist which seems it will be useful *after a derailement. Perhaps we focus on PTC system which prevents speeding & collisions @MyFoxNY
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@Gothamist Great...Police are monitored by body cameras. Train engineers monitored by cameras. Who is going to monitor the camera monitors?Thanks. Twitter will use this to make your timeline better. UndoUndo
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