 After the Broadway and Columbus Avenue Line was converted to electricity in 1901, those cars were also moved to 59th Street, and a new service - the 53rd Street Line - was added.The route began at Sixth Avenue and 50th Street and traveled north on Sixth Avenue for three blocks, west on 53rd Street to Ninth Avenue, and north on Ninth Avenue to 54th Street.Effective August 6, 1908, the CPN&ER was separated from the bankrupt Metropolitan, and three lines - the Broadway and Amsterdam Avenue Line, Broadway and Columbus Avenue Line, and Sixth and Amsterdam Avenues Line - were placed on 53rd.