What is the history of vehicles on the Yamanote Line?

What is the history of vehicles on the Yamanote Line? November 16 9:40

Tokyo's aorta "Yamanote Line". I also examined the history of the vehicle.

When it was the "Shinagawa Line", the beginning of the Yamanote Line, a steam locomotive imported from the United Kingdom was the towing car.

Later, when it was electrified in 1882, wooden small trains ran and steel bodies began to appear from the end of the Taisho era.

The symbol color of the Yamanote Line was introduced from “101 series” introduced in 1965, and the color of the body was originally called yellow and canary yellow.

In 1963, a familiar blue-colored vehicle called the "103 series" (Hyakusan) appeared. The vehicles introduced at this time were strengthened in transportation capabilities, such as by improving acceleration performance, and carried many office workers such as the introduction of air-conditioned cars for the first time in 1970, supporting the reconstruction of Japan after the war.

In 1985, all 205 stainless steel vehicles were introduced. In light of the need for energy saving, the vehicle body was lightened, greatly reducing power consumption.

Furthermore, the car width has been expanded by about 15 centimeters in the “E231 series” introduced in 2002 to save energy.

Later, in order to respond to the increase in tourists accompanying the Tokyo Olympics and Paralympics next year, the “E235 series” appeared in 2015, greatly increasing the space for priority seats and large luggage. Increased to The inside of the car has no hanging advertisements, and 36 displays on each car display corporate advertisements, making it the main vehicle on the Yamanote Line.