205系 山手線を中心に掲載しています。
Series 205 was developed by JNR in 1985. It has stainless body and DC motor, with regenerative break in lower cost than series 201. In 1990, trailer type Saha 204 with 6 pairs of doors is joinned. As they have already retired from Yamanote Line, now used in Saikyo, Nambu, Musashino, Tsurumi and Senseki lines.