Blue Hill Avenue station is a regional rail station on the MBTA Commuter Rail Fairmount Line located in the Mattapan neighborhood of Dochester, Boston, Massachusetts. The station consists of a center island platform between the line's two tracks, with handicapped-accessible ramps to Blue Hill Avenue and Cummins Highway. Originally intended to open along with Newmarket, Four Corners/Geneva, and Talbot Avenue, it was significantly delayed due to local controversy. Construction began in 2017, and the station opened on February 25, 2019.