metro and monorail systems in Japan:

Chiba* | Fukuoka | Hiroshima | Kitakyushu* | Kobe | Kyoto | Nagoya | Naha* | Osaka | Sapporo | Sendai | Shonan* | Tama* | Tokyo | Yokohama

tram systems in Japan:

Enoshima (Shonan) | Fukui | Hakodate | Hiroshima | Kagoshima | Kitakyushu | Kochi | Kumamoto | Kyoto | Matsuyama | Nagasaki | Okayama | Osaka | Sapporo | Takaoka | Tokyo | Toyama | Toyohashi

* Monorail