On March 28,2011, S3, having completed the west tunnel to 65th Street, began drilling for the east tunnel, which completed its run to the 63rd Street station's bellmouth on September 22,2011.
S3, having completed the west tunnel to 65th Street, began drilling for the east tunnel. This was on March 28,2011. The east tunnel completed its run to the 63rd Street station's bellmouth on September 22,2011.