- ShuttleOn weekdays, March 1-May 2, buses will replace all Fitchburg Line trains between Littleton/495 & Alewife for a connection with the Red Line while we upgrade the signal system for Positive Train Control (PTC). A dedicated bus schedule will be in effect. MBTA.com/FBGwork
See upcoming departures, maps, and other features at this location.
Porter is accessible.
It has the following features: