The MTA will be begin another round of FASTRACK work on all three lines.
The line will be shut down between Grand Central Terminal and Brooklyn Bridge in both directions.
The No. 4 train will not run between Grand Central and Atlantic Avenue. The No. 5 train will not run at all in Manhattan.
The No. 4 and No. 6 trains will run local between Grand Central and the Bronx.
The work will take place between 10 p.m. and 5 a.m. each night from Monday through Thursday.
For a complete list of changes and alternatives, please visit mta.info.
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