
In a significant advancement of the Bay Area's commitment to green transit, the MBTA, alongside Keolis Commuter Services, has wrapped up an over 28-mile rail replacement effort on the Fairmount Line—a key move setting the stage for battery-electric trains. Regularly scheduled service with minimized intervals is on the horizon for commuters, as per the announcement from the Massachusetts Bay Transportation Authority (MBTA), with normalcy resuming on Monday.
Fairmount Line trains will return to a standard schedule, running every 30 minutes for much of the day, following the construction phase. Amtrak repairs on the Providence/Stoughton and Franklin/Foxboro lines are still ongoing, so those lines remain affected. The improvements aim to increase comfort and reliability for commuters.
The MBTA is introducing battery-electric trains on part of its network, using a hybrid model that charges via overhead wires. These trains are expected to improve speed, reduce noise, and lower emissions, particularly benefiting environmental justice areas along the line. MBTA Interim Secretary and General Manager Phillip Eng stated that the new trains and supporting infrastructure will provide a quieter, cleaner, and more reliable ride for passengers.
On the operation's side, Keolis General Manager and CEO John Killeen acknowledged the herculean efforts of the crews who fast-tracked the enormous rail replacement project during a single construction season. Achieving nearly half a mile of replacement some days, they've not only set the grounds for the Fairmount Line's electric future but also enhanced current service conditions. Alongside, David Ostrum, Vice Chairman of the Alliance System Federation, didn't miss celebrating the workforce's prowess and commitment that allowed all of this to materialize in such a compact timeframe.
The $12 million undertaking not only concerned itself with laying new tracks but also smartly enveloped supplementary improvements such as station power washes, graffiti removal, drainage upgrades, and general right-of-way beautification—all of which were meticulously addressed while peak period train operation persevered. With the MBTA and Keolis synergy, the Fairmount Line seems poised not just for a more eco-friendly future, but also an enhanced commuting present.









