The MTA is bringing FASTRACK to Brooklyn this week.
Starting Monday night and for the next three nights, maintenance work will mean service changes on the 2, 3 and 4 lines.
Service will be suspended in both directions at Bergen Street, Grand Army Plaza and Eastern Parkway.
2 and 4 trains will run express in both directions between Atlantic Avenue-Barclays Center and Franklin Avenue.
3 train service between Chambers Street and New Lots Avenue will end early.
The work runs from 10 p.m. to 5 a.m. through Friday morning.