> The biggest difference is the expansive train systems Railways are allowed to grow organically in Tokyo and Japan: > Outlying and suburban areas are served

> The biggest difference is the expansive train systems Railways are allowed to grow organically in Tokyo and Japan: > Outlying and suburban areas are served by seven private railway companies, whose lines intersect at major stations with the subway system. More than sixty additional kilometers of subway were under construction in 1990 by the two companies. https://en.m.wikipedia.org/wiki/Rail_transport_in_Japan https://en.m.wikipedia.org/wiki/Rail_transport_in_Japan