Several lines will not be running on their normal schedules.
One of the biggest changes is that the L-train will be out of service all weekend between Williamsburg and Manhattan.
The 1 train will skip 28th, 23rd, and 18th Streets in both directions.
2 and 3 trains will run local in both directions between Chambers and 96th Streets.
Number 4 New Lots Avenue-bound trains will run express from Grand Central- 42nd Street to 14th Street- Union Square.
The number 6 Brooklyn Bridge-bound platform train at Parkchester is closed for rehabilitation.
Number 6 Brooklyn Bridge-bound trains run express from Grand Central - 42nd Street to 14th Street- Union Square.
Flushing-bound number 7 trains will skip 82nd, 90th, 103rd, and 111th Streets.
207th Street-bound trains will skip Beach 25, Beach 44, and Beach 67 Streets due to station rehabilitation.
Lefferts Boulevard/Far Rockaway-bound A trains will skip 50th 23rd and Spring Streets.
A and C trains will skip the Fulton Street-Broadway Nassau Station in both directions.
B and Q Manhattan-bound platforms at Neck Road and Avenue U Stations are closed for rehabilitation.
Euclid Avenue-bound C trains will skip 50th, 23rd and Spring Streets.
There will be no D trains between 34th Street-Herald Square and Pacific Street.
For a list of closures and their alternate routes CLICK HERE.