Science Park (signed as Science Park/West End) is an elevated light rail station on the MBTA Green Line, and is located at the Boston end of the Old Charles River Dam at Leverett Circle, near the intersection of Nashua Street and Charles Street. The station is located on the Lechmere Viaduct, which connects North Station to the Lechmere terminus of the Green Line. As of 2015, the station is served only by the Green Line "E" Branch, which runs from Heath Street to Lechmere.