The mishap on the Blue Line treated more than 460 train passengers to an unwelcome walking tour of Boston’s tunnel system.

The head of the MBTA said more problems were uncovered during an investigation into a Blue Line train evacuation​ that ...

Around 9:20 a.m., the T announced that power to the Green and Blue lines had been restored, as had power along most of the Orange Line, barring the stretch between Forest Hills and Stony Brook.