Post Sandy work on the A/C tunnel between Brooklyn and Manhattan continues this weekend, so from 11:45 p.m. Friday, October 30 to 5:00 a.m. Monday, November 2 there will be no service in either direction at High Street as A and C trains will be diverted to the F line between Jay Street-Metro Tech and West 4th Street. To get to or from Manhattan below West 4th use the 2 or 3 to or from Clark Street or Borough Hall, the 4 to or from Borough Hall, of the R or (late night) N to or from Court Street.
The following week, late nights from 11:45 p.m. to 5:00 a.m. Monday, November 2 to Friday, November 6, Brooklyn bound A trains (there is no C service late at night) will be diverted to the F line between West 4th and Jay. Manhattan bound A trains will run as normal, so there will be service from High Street to Manhattan.
Photo: winnodonnell on reddit