Cortelyou Road is a local station on the BMT Brighton Line of the New York City Subway, located at Cortelyou Road between Marlborough Road (East 15th Street) and East 16th Street in the neighborhood of Flatbush, Brooklyn. It is served by the Q train at all times. The Cortelyous were an old New Netherlands family whose immigrant ancestor arrived in 1652. The road and station are named for George B.