B41 (New York City bus)

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Flatbush Avenue Line
A 2009 Orion VII NG HEV (4241) on the B41 Limited at Atlantic Terminal in March 2019.
Overview
System	MTA Regional Bus Operations
Operator	New York City Transit Authority
Garage	Flatbush Depot
Vehicle	Orion VII NG HEV New Flyer Xcelsior XD40
Began service	1860 (trolley line) March 4, 1951 (bus service) September 14, 1992 (limited-stop service)
Night-time	Every 30 minutes (buses alternate between each branch)
Route
Locale	Brooklyn, New York, U.S.
Start	Downtown Brooklyn– Cadman Plaza
Via	Flatbush Avenue
End	Marine Park – Kings Plaza or Bergen Beach – Veterans Avenue
Length	7.9 miles (12.7 km)[1] (southbound)
Other routes	Q35 Flatbush/Newport Avenues
Service
Operates	24 hours; local-only service at night[2]
Annual patronage	4,759,664 (2023)[3]
Transfers	Yes
Timetable	B41
Route map ← B39  {{{system_nav}}}  B42 →

The B41 is a bus route that constitutes a public transit line operating in Brooklyn, New York City, running along Flatbush Avenue between Downtown Brooklyn and Marine Park. The B41 is operated by the MTA New York City Transit Authority. Its precursor was a streetcar line that began operation in 1860, and was known as the Flatbush Avenue Line. The route became a bus line in 1951. Limited-stop service began along the route in 1992.