This is the area: Map
Take the 3 Train heading to Manhattan
Get off at Franklin Ave.
Transfer to the 4 train heading to Manhattan
Get off at Bowling Green
Head towards the white security tent
M1, M6 or M15 to South Ferry.
From the East Side take the FDR Drive South to Exit 1, South Ferry Battery Park. From the West Side take the Westside Highway South (9A) to the end.