Station structure of Tokyo station

The underground part of Tokyo Station mainly includes the fourth and fifth floors (west side) underground of Marunouchi Station Square, the JR General Line and Yokosuka Line Station in the northeast-southwest direction (the fourth floor is the hall floor and the fifth floor is the platform floor), and the second floor is the Marunouchi Line Station of Tokyo Metro in the north-south direction; In addition, there is the east-west JR Jingyi Line Station (the third floor is the lobby floor and the fourth floor is the platform floor), which is located in the far south of the main station area and on the third and fourth floors underground of Fuji Bridge (near Yurakucho).

The three underground stations are connected with each other outside the payment area through a free passage located on the first floor underground, and the free passage is also connected with the underground station located below the first floor north free passage, the underground free passage on the first floor underground of the Yaeyama side station building (also located outside the payment area) and the underground passage in Otomachi district. On the same floor, there is also a central underground passage under the central passage on the first floor, connecting the underground payment areas on both sides. In addition to the payment area on the ground floor of the side station building of Bazhong Island, it is also connected with the underground street of Bazhong Island on the ground floor of the square in front of the station building (East).

In addition, there is a 500m-long Yaeyama (underground) connecting passage on the south side of the ticket gate of Shinkansen South Interchange, which is close to the Yaeyama side station building and connects the main station area and JR Jing Yao Line Station. The communication channel is also provided with electric trails, and elevators and escalators are also provided at both ends of the channel.