St. Marys Street (signed as St. Mary's) is a surface light rail stop on the MBTA Green Line "C" Branch, located just west of the intersection of Beacon Street and Park Drive in the northeastern tip of Brookline, Massachusetts. Like all surface stops on the line, St Marys Street consists of two side platforms serving two tracks. The station is fully handicapped accessible.With just over 1,500 daily boardings by a 2011 count, St. Marys Street is the second-busiest stop on the "C" Branch, behind only Coolidge Corner.History and operationsSt. Marys Street is the first outbound surface stop on the "C" Branch. The line emerges from the Beacon Street tunnel at the St. Marys Street portal, just east of the station. Until Kenmore was built in 1932, streetcars emerged from the Kenmore portal and ran down the median of Beacon Street from Kenmore Square.St. Marys Street became fully handicapped accessible after work done under the Light Rail Accessibility Program in 2002.Bus connectionsNo MBTA Bus routes run parallel to the line on Beacon Street. Two routes run via Park Drive, stopping just north of Beacon Street a block away from the station: 47 Central Square, Cambridge - Broadway Station via B.U. Medical Center, Dudley Station & Longwood Medical AreaCT2 Sullivan Station - Ruggles Station via Kendall/MIT
