This weekend — late evening Friday, June 3 to early morning, Monday, June 6 — there will be no service in either direction on the 4/5 tracks at Borough Hall, as 4 trains will stop and originate at Brooklyn Bridge-City Hall in Manhattan, and 5 trains do not serve Brooklyn on weekends. To get to or from the East Side of Manhattan change from or to a 4 or 5 from or to an N or R at Canal Street. For those traveling to or from the interior of Brooklyn, 2 and 3 trains will be making all 4 train stops to and from Franklin Avenue-Medgar Evers College, and 3 trains to and from New Lots Avenue. All weekend, R trains will not be running between 36th Street, Brooklyn, and Bay Ridge-95th Street, and there will be no late night R service, although N trains should be running normally. To get to or from Bay Ridge, take an N or R train to or from 36th Street and change to or from a free shuttle bus there.
The following work week — early Monday morning Monday, June 6 to early Thursday evening, June 9, late nights there will be no 2 0r 3 train service in either direction at Borough Hall or Clark Street; Use 4, A, C, or N trains instead. Monday to Thursday 4 trains will be making 3 stops between Nevins Street and New Lots Avenue. Thursday evening to Friday morning, June 10 there should be 3 service. There will be one hour break in Brooklyn bound C train service at High Street each night Monday to Thursday from about 9:45 to 10:45, as Brooklyn bound C trains will be diverted to the F line from West 4th Street-Washington Square in Manhattan to Jay Street-MetroTech. All week there will be no late night R service in either direction, but N trains should be running normally. To get to or from Bay Ridge transfer between the N and a free shuttle bus at 59th 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.