This is my 2nd post of "Tokyo subway network", covering the western side of the subway route map, namely the terminals of Ikebukuro, Shinjyuku, Shibuya, Shinagawa and the Olympic Stadium. I think

The central area of Tokyo is covered with "web-like" network of subway lines as in the image here. I remember the red train of the "Marunouchi" line near the Ochanomizu station, which