NTSB released a preliminary report outlining the cause of an Amtrak train crash that killed two CSX employees in Washington D.C. last month.
The report states that on June 27 around 11:18 p.m., two CSX workers were returning to their train locomotive after inspecting a defective railcar when they were hit from behind by Amtrak train 175 traveling about 73 mph.
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The incident took place just north of Union Station and suspended train service from D.C. to Philadelphia.
No Amtrak passengers or crew were injured.
