Wait, some Shinkansen trains already have private booths that only cost 1,500 yen for an hour?

High-speed serenity has been low-key available on the Shinkansen for a long time with hardly anyone noticing it. A new Supreme Class is coming to Shinkansen trains this fall, offering luxurious private cabins for those with deep pockets. It turns out, though, that some bullet trains in Japan have quietly had available private booths for […]