Edited sentence: It had one island platform between two tracks and was operated as an extension of the company's Ninth Avenue Line.It was located on a very short branch line, at right angles to the old station, facing toward the ferry terminals.Later the Second and Sixth Avenue Lines also used the terminal.The first elevated station at South Ferry was opened April 5, 1876 by the New York Elevated Railroad.The four-track station, opened March 1879, was built to provide an adequate terminal for both lines.The tracks were later continued straight into the company's Third Avenue Line, which opened August 26, 1878