MBTA Green Line train in collision was going 3x speed limit, NTSB says
The preliminary NTSB review of the event recorder data indicated that the Green Line trolley that crashed into another one in front of it was going 30 mph in a 10 mph zone.
The preliminary NTSB review of the event recorder data indicated that the Green Line trolley that crashed into another one in front of it was going 30 mph in a 10 mph zone.