千代田線 5000系を中心に掲載しています。
EMU 5000 was previously the only rolling stock used in Tozai Line. With boxy partly-stainless body, the series performed 3.5 km/h/s accel. and 100 km/h max. speed. Although the series formed 10-car trainsets, those in Tozai Line was replaced until 2007. Now 6 cars are used in Ayase branch in Chiyoda Line.