Those factors aligned for the original Shinkansen when it was built in the sixties; now, not so much. The maglev Chuo Shinkansen, originally meant to be finish

Those factors aligned for the original Shinkansen when it was built in the sixties; now, not so much. The maglev Chuo Shinkansen, originally meant to be finished by 2030 or so, has been stuck in limbo for several years now because the prefecture of Shizuoka refuses to issue the necessary permits. https://www.asahi.com/ajw/articles/14718670 https://www.asahi.com/ajw/articles/14718670