 During the afternoon rush hour of June 22 , 2009 , a subway train @-@ on @-@ train collision occurred between two southbound Red Line Washington Metro trains in Northeast , Washington , D.C. , United States . A moving train collided with a train stopped ahead of it ; the train operator and eight passengers were killed , making it the deadliest crash in Metro history.
The train collision occurred at 5:02 p.m. ET when a moving train collided with a train stopped ahead of it. The moving train was stopped at the Fort Totten station with a crew of four and a full load of passengers, and the station was then blocked