The Lafayette Avenue station is a local station on the IND Fulton Street Line of the New York City Subway. Located under Lafayette Avenue and Fulton Street in Brooklyn, it is served by the C train at all times except nights, when the A train takes over service.

The IND Fulton Street Line is a rapid transit line of the IND Division of the New York City Subway, running from the Cranberry Street Tunnel under the East River through central Brooklyn to a terminus in Ozone Park, Queens. The IND Rockaway Line branches from it just east of Rockaway Boulevard. The A train runs express during daytime hours and local at night on the underground portion of the line; it runs local on the elevated portion of the line at all times. The C train runs local on the underground portion of the line at all times except late nights.