Boston University Central station is a surface-level light rail station on the MBTA Green Line B branch, located the center median of Commonwealth Avenue west of St. Marys Street in Boston, Massachusetts, surrounded by the Boston University campus. It consists of two side platforms, which serve the B branch's two tracks. The station is accessible, with raised platforms to allow level boarding onto low-floor trams and a high platform on the inbound side to serve high-floor light rail vehicles.