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2015年1月12日,美国华盛顿特区内,1辆开往弗吉尼亚州的黄线列车(编者注:华盛顿特区以颜色区分不同地铁线路)从该市最繁忙的车站之一——拉法叶广场站出发,前往下一站五角大楼站。此时,下午客流高峰伊始,车上载有380名乘客。但列车刚开出拉法叶站243 m就突然停了下来。根据美国国家运输安全委员会(NTSB)的报告,列车骤停的原因是隧道内出现了烟雾。浓烟在列车
January 12, 2015 One Yellow Line to Virginia in Washington DC, USA (Editor’s Note: Washington DC distinguishes between different subway lines) From one of the city’s busiest stations, Lafayette Square Departure, proceed to the next Pentagon station. At this point, at the beginning of the peak passenger flow in the afternoon, the car carried 380 passengers. However, the train suddenly stopped at 243 m from Lafayette. According to a report by the U.S. National Transportation Safety Board (NTSB), the reason for the sudden stop of the train was the appearance of smoke in the tunnel. Smoke in the train