Every day six and a half million people ride Tokyo Metro's nine lines, part of a dizzyingly complex transport network serving the Japanese megacity and its sprawling suburbs. Tokyo Metro shares ...

Plans are in the works to extend two Tokyo Metro subway lines, out of its network of 13, to relieve congestion in key areas and make it easier for tourists to travel around the capital. The last ...

While Tokyo Metro already has many prerecorded English in-train announcements, including for emergency stops, they sound less urgent than live versions provided by train crews.