This coming weekend — late Friday evening, September 30 to early Monday morning, October 3, there will be no service in either direction at Court Street or at the N/R platforms at Jay Street-MetroTech, as N and R trains will be diverted to the Q line going over the Manhattan Bridge between DeKalb Avenue in Brooklyn and Canal Street in Manhattan, and there will be no daytime R service between Whitehall Street in Manhattan and Atlantic Avenue-Barclays Center on Saturday and Sunday, October 1 and 2. All other lines should be running normally.
The following work week, just like the previous two weeks, late nights Monday, October 3 to Tuesday, October 4; Tuesday to Wednesday, October 5; Wednesday to Thursday, October 6; and Thursday to Friday, October 7 there will be no service in either direction at York Street in DUMBO, but extra service at Court Street and at the N/R platforms at Jay Street-MetroTech, as F trains will be diverted to the R line in both directions between 57th Street-7th Avenue in Manhattan and 36th Street in Brooklyn. Use A, C, or D trains (see below) to or from the High Street station as an alternative. There will be extra service in both directions at High Street as D trains will be diverted to the A/C line between 145th Street in Manhattan and Jay Street.
These are the planned service changes directly affecting service at local stations. Always check MTA Info for unplanned service changes that may affect local service or service on other parts of your trip, or for planned service changes that affect stations to or from which you may be traveling.