Two trains will be suspended in both directions between Third Avenue-149th Street and 96th Street and 3 train service will be completely suspended from 10 p.m. to 5 a.m. Monday night through Thursday night and then again during the same times from Monday, April 25 through early Friday morning morning, April 29, the MTA said.
Service on the 2 line will run in two sections, between Wakefield-241st Street and Third Avenue-149th Street and between 96th Street and Flatbush Avenue-Brooklyn College.
Free shuttle buses will provide alternate service.
► For 2 service: Buses will operate between Third Avenue-149th Street and 96th Street. Transfer between 2 trains and free shuttle buses at Third Avenue-149th Street and at 96th Street, or the 4 at 149th Street-Grand Concourse.
► For 3 service: Buses operate between 96 Street and Harlem-148th Street, making all 3 train station stops. Transfer between 2 trains and free shuttle buses at 96th Street. Take the 2 for service between Franklin Avenue and 96th Street. 4 trains make all station stops between Nevins Street and New Lots Avenue.
Fastrack work includes repairs to signals, switches, lighting and security equipment, according to the MTA.