The Metropolitan Transportation Authority's "Fastrack" maintenance and repair program returns to the N, Q and R lines in Manhattan.
Starting Monday at 10 p.m., N, Q and R trains will not stop in Manhattan.
N trains will only run in Queens and Brooklyn.
Q trains will be re-routed along the D line to and from the 57th Street station.
R train service will end early in Manhattan and Queens.
Construction will take place from 10 p.m. to 5 a.m. each night and is set to wrap up Friday morning.
For more information, visit mta.info.