High Quality Content by WIKIPEDIA articles! South Station, New England`s second-largest transportation center (after Logan International Airport), located at the intersection of Atlantic Avenue and Summer Street in Dewey Square, Boston, Massachusetts, is the largest train station and intercity bus terminal in Greater Boston, a prominent train station in the northeastern United States and serves as a major intermodal domestic transportation hub, with service to the Greater Boston region and the Midwestern and Northeastern United States.