A federal investigation is now being launched into the crash on the Green Line that left someone hurt and snarled travel for thousands in Boston on Monday.

Just four months after a green line train derailed on its way into Somerville, two green line trains collided at the East ...

CTA Green Line services mostly resumed Monday after a derailed train forced passengers to be rescued on the South Side early ...

The National Transit Safety Board is investigating after a train carrying five passengers collided with a stationary ...

A passenger told CBS News Chicago that the train stopped abruptly and made no loud noises. The operator then announced that ...

The train derailed around 2 a.m. Monday. All passengers were evacuated, and Green Line service is temporarily suspended ...

Federal regulators first recommended an anti-collision system for the MBTA's Green Line in 2009 and one contract for the MBTA's Green Line in 2009, but Sunday's crash between two trolleys at East ...

Fifteen passengers on a Chicago Transit Authority Green Line train were rescued this morning after the train derailed early Monday morning, according to the Chicago Fire Department.

Service on the CTA Green Line remains impacted after a train derailed early Monday morning, forcing passengers to evacuate ...

Three people suffered "minor" injuries after the derailment, which happened at a "high elevation" about 2:40 a.m. near 63rd ...