Science Park station (signed as Science Park/West End) is an elevated light rail station on the Massachusetts Bay Transportation Authority (MBTA) Green Line in Boston, Massachusetts, United States. The station is located at the Boston end of the Charles River Dam Bridge at Leverett Circle. It is at the southeast end of the Lechmere Viaduct, which carries the Green Line over the Charles River. The station is named for the nearby Boston Museum of Science. With 873 daily boardings by a FY 2019 count, Science Park is the least-used fare-controlled station on the Green Line, and the second-lowest on the MBTA subway system after Suffolk Downs.