B45 (New York City bus)

b45
St. Johns Place Line
A 2007 Orion VII OG HEV (6801) on the Downtown Brooklyn-bound B45 near Atlantic Terminal in March 2019. This bus is retired.
Overview
SystemMTA Regional Bus Operations
OperatorNew York City Transit Authority
GarageEast New York Depot
VehicleNew Flyer Xcelsior XD40
New Flyer Xcelsior XDE40
New Flyer Xcelsior XE40
OBI Orion VII NG HEV
Began service1877 (streetcar)
1947 (bus)
Route
LocaleBrooklyn, New York, U.S.
Communities servedCrown Heights, Prospect Heights, Fort Greene, Boerum Hill, Downtown Brooklyn
Landmarks servedBrooklyn Borough Hall, Atlantic Terminal, Barclays Center
StartDowntown Brooklyn– Court Street
ViaSt. Johns Place
EndCrown Heights– Ralph Avenue
Length4.8 miles (7.7 km)
Other routesB65 Bergen/Dean Streets
Service
OperatesAll times, except late nights
Annual patronage836,165 (2024)
TransfersYes
TimetableB45
 B44 SBS    B46 SBS 

The B45 is a bus route that constitutes a public transit line operating in Brooklyn, New York City, mainly along Atlantic Avenue, Washington Avenue, Sterling Place, and St. Johns Place between Downtown Brooklyn and Crown Heights. It is operated by the MTA New York City Transit Authority. Its precursor was a streetcar line that began operation in 1877, and was known as the St. Johns Place Line. The route became a bus line in 1947.