Kenmore Square is a square in Boston, Massachusetts, United States, consisting of the intersection of several main avenues (including Beacon Street and Commonwealth Avenue) as well as several other cross streets, and Kenmore Station, an MBTA subway stop. Kenmore Square is close to or abuts Boston University, Fenway Park, and Lansdowne Street, a center of Boston nightlife. It is also the eastern terminus of U.S. Route 20, the longest road in the United States.