NTSB

WASHINGTON — Metro Red Line riders should expect fewer and slower-moving rush hour trains on the line at least through Thursday morning’s rush hour (July 23) while the National Transportation Safety Board (NTSB) continues its investigation into the cause of the June 22 train accident near the Fort Totten Metrorail station.At this point, it is unclear what the NTSB’s needs may be after Thursday morning’s rush hour and the impact on Metrorail service.  In the meantime, passengers can expect that their trips may take an additional 30 minutes or possibly more to complete, and they should build that added time into

WASHINGTON — National Transportation Safety Board Member Debbie Hersman, testifying before Congress, described a multi-faceted National Transportation Safety Board investigation into the deadliest accident in the history of the Washington Metropolitan Area Transit Authority (WMATA). A collision between two trains on June 22 killed 9 people and injured scores of others. At a hearing before the Subcommittee on Federal Workforce, Postal Service and the District of Columbia, Committee on Oversight and Government Reform, Hersman noted that within hours of hearing about the collision, the Safety Board dispatched a team of investigators from its headquarters in Washington and from regional offices

WASHINGTON — The National Transportation Safety Board  determined that the two-train collision on the Massachusetts Bay Transportation Authority (MBTA) Green Line last year occurred as a result of the trolley operator’s failure to obey a signal indication likely because she became disengaged from her environment consistent with experiencing an episode of micro-sleep. The lack of a positive train control system, which would have intervened to stop the train and prevented the collision, was cited as a contributing factor. At 5:51 PM EDT, on May 28, 2008, an MBTA Green Line train, traveling westbound at about 38 mph, struck the rear