The MBTA apologized for the disruption and blamed a broken pantograph — the part of the train that connects to overhead wires ...

Since August 2, the B line running from the Boston College station to Babcock Street station has been shut down for track replacement and quality of life upgrades to T stations, the MBTA said.

At 12:01 p.m., the T reported that service had resumed, after initially stating at 9:57 a.m. that westbound Green Line trains were delayed due to a disabled train at Copley Station.

A model of the MBTA‘s next-generation Green Line train is outside Boston City Hall, where commuters can get a glimpse of features designed to improve their rides. The Type 10 train car, set to ...