MBTA August 3, 2021 7:49 pm Green Line Collision: NTSB Continues Investigating MBTA Crash After a crash on the Green Line of the MBTA left dozens of people injured, federal investigators say one of the trains involved was going about three times the speed limit. US & World Videos 3:16 Forecast: Chilly weather to continue through the weekend 2:08 Concern rises as drone sightings are reported in Massachusetts and New Hampshire 2:14 Community demands answers on the death of Mass. State Police trooper during training exercise 2:20 Cleanup continues after massive water main break in Boston 3:37 Forecast: More cold air, with snow in the forecast?