route of MTA Regional Bus Operations, though the route also serves Flatbush Avenue south of Nostrand Avenue. Several bus routes also use the avenue for shorter stretches. The New York City Subway's IRT Nostrand Avenue Line () has a southern terminus at the Flatbush Avenue–Brooklyn College station, while the BMT Brighton Line () and IRT Eastern Parkway Line () run under the avenue between Prospect Park and DeKalb Avenue, and Grand Army Plaza and Nevins Street, respectively. See also Smith & Gray Company Building References Streets in Brooklyn