A derailed Green Line train is now officially off the tracks, and service resumed around 10:30 a.m. Thursday.
MBTA officials said in an update on X, formerly known as Twitter, that regular service has resumed between North Station and Medford/Tufts and Union Square. Shuttle buses, which had been in place for days, have now been phased out.
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Investigators returned to the scene early Thursday morning as they continue to find out what led to Tuesday's incident. After moving the derailed train car out of the way overnight, investigators are now focusing on the area where the incident occurred.
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According to the MBTA, early indications are that this was not a track issue but a "human error issue." That falls back on the train's operator.
But of course that still has to be confirmed by the National Transportation Safety Board, whose investigators showed up to the scene.
According to Federal Transit Administration records, this is the 18th reported MBTA derailment this year alone.
But Massachusetts Gov. Maura Healey said she still has faith in the embattled agency.
"This was not attributable to the rail or the track, so the look is at the operator, but we'll leave that to the NTSB," she said.
