Union Street station (BMT Fourth Avenue Line)

Union Street
New York City Subway station (rapid transit)
Manhattan bound platform
Station statistics
Address	Union Street & Fourth Avenue Brooklyn, New York
Borough	Brooklyn
Locale	Park Slope
Coordinates	40°40′38″N 73°58′59″W / 40.67722°N 73.98306°W / 40.67722; -73.98306
Division	B (BMT)[1]
Line	BMT Fourth Avenue Line
Services	D  (late nights) ​   N  (late nights, and limited rush hour service in the reverse-peak direction) ​   R  (all times) ​   W  (limited rush hour service only)
Transit	NYCT Bus: B37 (on Third Avenue); B63 (on Fifth Avenue)[2]
Structure	Underground
Platforms	2 side platforms
Tracks	4
Other information
Opened	June 22, 1915; 109 years ago (June 22, 1915)[3]
Accessible	not ADA-accessible; accessibility planned
Opposite- direction transfer	No
Traffic
2023	1,646,253[4]  13%
Rank	197 out of 423[4]
Services Preceding station New York City Subway Following station Atlantic Avenue–Barclays Center D  ​N  ​R  ​W  toward Forest Hills–71st Avenue Local Ninth Street D  ​N  ​R  ​W  toward Bay Ridge–95th Street
Location Show map of New York City Subway Show map of New York City Show map of New York
Track layout Legend to Atlantic Avenue to Ninth Street
Street map
Station service legend Symbol Description Stops all times except late nights Stops late nights only Stops rush hours only Stops rush hours in the peak direction only

The Union Street station is a local station on the BMT Fourth Avenue Line of the New York City Subway. It is located at the corner of Fourth Avenue and Union Street in Brooklyn, New York City, serving the communities of Park Slope, Gowanus and Carroll Gardens. It is served by the R train at all times. The D and N trains also stop here during late nights, and some rush-hour W trains stop here in the peak direction.

The Union Street station was constructed as part of the Fourth Avenue Line, which was approved in 1905. Construction on the segment of the line that includes Union Street started on December 20, 1909, and was completed in September 1912. The station opened on June 22, 1915, as part of the initial portion of the BMT Fourth Avenue Line to 59th Street. The station's platforms were lengthened in 1926–1927,^[5] and again during a renovation in 1968–1970.^[6] The station was also renovated in 1970 and in the mid-1990s.