Complex map - Tokyo Metro's nine lines -- named Ginza, Marunouchi, Hibiya, Tozai, Chiyoda ... Railway's overground routes like the Yamanote Line, whose green trains carry millions in a loop ...

Plans are in the works to extend two Tokyo Metro subway lines ... Toyocho Station with the hope it would relieve some of the Tozai Line’s congestion. The total estimated construction cost ...

He then met Iwamoto’s close associate, a woman in her 50s, in the vicinity of Kasai Station on the Tokyo Metro Tozai Line. He handed her entire amount in cash in a paper bag, the sources said.