B47 (New York City bus)

The Ralph Avenue Line is a surface transit line on Ralph Avenue in Brooklyn, New York City, United States. Once a streetcar line of the Brooklyn, Queens County and Suburban Railroad, it is now part of the B47 bus route, operated by the New York City Transit Authority, and prior to 1995, it was the B78 route; the northern part of the route from St. Johns Place to Woodhull Hospital was part of the B40 line.

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