B47 (New York City bus)

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b47
Ralph Avenue Line
A 2015 XD40 (7198) on the B47 heading to Kings Plaza.
Overview
System	MTA Regional Bus Operations
Operator	New York City Transit Authority
Garage	Grand Avenue Depot
Vehicle	New Flyer Xcelsior XD40 New Flyer Xcelsior XDE40 New Flyer Xcelsior XE40
Began service	1943 (streetcar line) 1951 (bus)
Route
Locale	Brooklyn, New York, U.S.
Communities served	Bedford–Stuyvesant, Crown Heights, Brownsville, Remsen Village, East Flatbush, Flatlands, Mill Basin, Marine Park
Start	Bedford–Stuyvesant – Woodhull Medical Center
Via	Ralph Avenue
End	Mill Basin / Marine Park – Kings Plaza
Length	6.2 miles (10.0 km)[1] (entire route)
Service
Operates	All times
Annual patronage	1,612,581 (2023)[2]
Timetable	B47
Route map {{{map}}} ← B46 SBS  {{{system_nav}}}  B48 →

The B47 is a surface transit line on Ralph Avenue in Brooklyn, New York City. Once a streetcar line,^[3] it is now part of the B47 bus route, operated by the New York City Transit Authority, 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. The B47 was created as a result of a merger of the B40 and B78 on September 8, 2002.