This weekend, from 9:45 PM Friday, January 11 to 5:00 AM Monday, January 14 there will be no Manhattan bound service at High Street, as A and C trains will be re-routed to the F line between Jay Street-MetroTech and West 4th Street. 2, 3, 4, N, and R trains should be running normally.
The following work week, Monday, January 14 to Friday, January 18, each night from 9:45 PM to 5:00 AM, there will be no 3 train service in either direction. For those traveling to or from stops in Brooklyn, 2 trains will be making 3 stops between here and Franklin Avenue, and 4 trains will be making 3 stops between Franklin Avenue and New Lots Avenue.
For planned service changes that may affect travel on other parts of the system, either during the weekend or the following week, and for unplanned disruptions, see MTA Info.