Google Maps is super helpful when it comes to deciding which train to take. The most confusing thing about the Tokyo subway system is that multiple train lines run on the same platform.

and don’t be afraid to tap into Google Maps. At first glance, Tokyo's metro system may be overwhelming for travelers. If you can believe it, it's one of the easier maps of Tokyo to comprehend.

Complex map - Tokyo Metro's nine lines -- named Ginza ... form only one part of a vast underground and overground rail system serving Greater Tokyo, often cited as the world's biggest urban ...