The Metropolitan Transportation Authority's Fastrack program is affecting overnight service into Queens on the E, M and R lines starting Monday.
Each night, starting at 10 p.m. Monday, there will be no service to the 36th Street, Steinway Street, 46th Street, Northern Blvd. and 65th Street stations in Queens until 5 a.m.
E and R trains will run express in both directions between Queens Plaza and Roosevelt Avenue.
M service ends early between Forest Hills-71st Avenue and Essex Street.
The work ends Friday morning.
Free shuttle buses will be provided as an alternative.