Weekend changes will take place during several weekends from Oct. 17 through Nov. 23. During affected periods, J trains will operate between Jamaica Center-Parsons/Archer and Myrtle Avenue-Broadway, while shuttle buses will replace service between Myrtle Avenue-Broadway and Essex Street.
M trains will also operate in two sections with trains every 20 minutes: between Middle Village-Metropolitan Avenue and Myrtle-Wyckoff Avenues, connecting with the L train, and between Myrtle-Wyckoff Avenues and Myrtle Avenue-Broadway, connecting with the J.