MBTA riders can expect service changes to subway lines in Boston during the month of March. 

During the weekends of March 4-5 and March 25-26, the Red Line will undergo some changes as a new digital signal system is installed. Shuttle buses will replace Red Line service between Harvard and JFK/UMass Stations.

On March 20-23, evening weekday Red Line trains will also be replaced with shuttle buses between Braintree and North Quincy stations beginning around 9 p.m. as the line undergoes track work.

In downtown Boston, during the weekend of March 11-12, the Orange and Green lines will see service changes due to the demolition of the Government Center Garage. Green Line service will be replaced with shuttle buses between North Station and Government Center.

Orange Line service between Ruggles and North Station will be suspended completely during that same weekend.

T riders can  take the Green Line between Copley and Government Center. The MBTA will also offer free shuttle service that weekend between Copley on the Green Line and Ruggles on the Orange Line. Shuttles will stop at Back Bay and Massachusetts Avenue stations. 

The Orange Line will also undergo track work between March 27-30. Evening weekday Orange Line trains will be replaced with accessible shuttle bus service between Wellington and North Station beginning at approximately 9 p.m.

No T service changes are planned for the weekend of March 17-19 to allow for St. Patrick's Day celebrations in Boston.