The Middleborough Line of the MBTA Commuter Rail travels through Braintree.
Starting March 17, there will be no weekend service on the Middleborough Line that passes through Braintree, according to the MBTA's Old Colony Commuter Rail Tie Replacement Project website. The MBTA also reports that work on the Greenbush and Plymouth/Kingston Lines has been completed, and those lines will not see weekend service disruptions. Also, "the track surface and aligning phase is necessary to restore the track to the original geometry and operating speeds, in accordance with Federal Railroad Administration (FRA) requirements The project is expected to be complete by July 2012." Trains will run on the Middleborough Line on Patriot's Day and Memorial Day weekends.