绿线坠机事故调查发现火车超速超速 并在撞击前通过截停信号 Green Line crash investigation finds train was speeding and passed a stop signal before impact.

美国国家交通安全局关于2月9日东索默维尔绿线列车事故的初步报告显示,这起事故造成6人受伤,造成660万美元的损失,发现列车在25英里区域内以32英里/小时的速度行驶,并在撞上一列停车列车之前经过了停止信号. A preliminary NTSB report on a Green Line train crash in East Somerville on February 9, which injured six people and caused $6.6 million in damages, found the train was speeding at 32 mph in a 25 mph zone and passed a stop signal before hitting a stationary train. MBTA正在改进安全措施,包括安装预防碰撞技术。 The MBTA is improving safety measures, including installing collision-prevention technology. NTSB的全面调查将审查车辆安全、人员业绩和操作程序。 The full NTSB investigation will examine vehicle safety, human performance, and operating procedures.