 The 14 trains that utilized eight original cars were numbered as trains 1-15~1-28, while the remaining six that lost their original motor cars were renumbered to 1-36~1-41.The trains were replaced by the Class 311000 trains.They were gradually retired between 2000 and 2004; the last trains, trains 1-26~1-28 and 1-41, were retired in June 2004.