From Saturday, February 17th, at 4:30 a.m. until Sunday, February 18th, at 7:00 p.m., the G train will not stop at the following stations: Bergen, Carroll, Smith-9 Streets, 4th Avenue-9th Street, 7th Avenue, 15th Street-Prospect Park, Fort Hamilton Parkway, and Church Avenue.
F trains will provide alternate service at these stations: 4th Avenue-9th Street, 7th Avenue, 15th Street-Prospect Park, Fort Hamilton Parkway, and Church Avenue.
Free shuttle buses will operate between Jay Street-MetroTech and 7th Avenue, stopping at Bergen Street, Carroll Street, Smith-9th Streets, and 4th Avenue-9th Street.
Transfer between F trains and shuttle buses at 7th Avenue.
Signal maintenance is the reason for these changes.