Elm Place-Duffield Street was a station on the demolished BMT Fulton Street Line in Brooklyn, New York City, United States.It had 2 tracks and 2 offset side platforms. It was served by trains of the BMT Fulton Street Line, and until 1920, trains of the BMT Brighton Line. The next stop to the east was Flatbush Avenue. The next stop to the west was Boerum Place. It closed on May 31, 1940.