A fire upended Red Line service, significant delays impacted the Green Line, and the Ted Williams Tunnel was briefly closed due to a medical emergency. The Boston Fire Department responded to the ...

In February, slow zones covered some 30% of the rail system, up from 13% five years earlier. It’s one more hurdle for the CTA ...

The recent Red Line service impacts that ended Sunday ... there were just two speed restrictions in place — impacting .3 ...

“It’s the shortest line, [and it shares track] with the Blue Line and the Green Line. Whereas the Red Line needs the most amount of eight-car train sets because [it never shares its tracks].

As some trains rolled along at 50 miles per hour Friday, 10 miles per hour faster than they previously could safely run, MBTA General Manager Phillip Eng pledged that "This is just the beginning." ...