N trains will run in Queens and Brooklyn only. Q trains will be rerouted via the D Sixth Avenue line in Manhattan, to and from the 57th Street F station. R service will end early in Manhattan and Queens.
The MTA said the final blast, which completed the excavation for a future elevator at the corner of 72nd Street and Second Avenue, took place around 4:30 p.m. on Feb. 28.
Service changes are underway on several subway lines through the weekend.