A federal investigation continues Monday morning after a Green Line train collision in Somerville over the weekend.

BOSTON — A Green Line ... after MBTA officials said the train collided with another train that was out of service at East Somerville station. NTSB investigators worked all day and night to begin ...

The CARL Task Force developed a plan to build a rail tunnel directly below the Artery highway tunnels, using the Artery slurry walls to simplify construction ... trip on two different lines (the Red ...

A train on the MBTA's Green Line collided with an out-of-service train at a station in Somerville early Sunday morning.

One passenger reported a neck injury and was taken to Massachusetts General Hospital in Boston, the MBTA said. All four Green Line train operators involved in the crash were conscious and alert ...

Federal regulators first recommended an anti-collision system for the MBTA's Green Line in 2009 but Sunday's crash between two trolleys at East Somerville Station is a reminder that the system is ...

FEDERA Two damaged Green Line trolleys remain at an MBTA station after an early Sunday morning crash and don't appear to be going anywhere, anytime soon.Service between North Station and Medford ...

Some MBTA commuters can expect a change in their commute on Monday, with shuttle buses replacing service on parts of the D and E branches of the Green Line following a weekend crash in Somerville ...