The Flushing Avenue station is a station on the IND Crosstown Line of the New York City Subway. Located at the intersection of Flushing and Union/Marcy Avenues in the boundary of Bedford–Stuyvesant and Williamsburg, Brooklyn, it is served at all times by the G train.

The IND Crosstown Line or Brooklyn–Queens Crosstown Line is a rapid transit line of the B Division of the New York City Subway in Brooklyn and Queens, New York City, United States. It provides crosstown service between western Brooklyn and northwestern Queens and is the only subway line that does not carry trains to and from Manhattan.