>>1087169Most of the above ground Chuo Shinkansen is expected to be walled off, also a point of contention with prefectural governments who have to toss up between reducing noise and wanting passengers to have a good view (and possibly spend money visiting in the future) - kinda like how they do the expressways. Otherwise, Shinkansen is regulated to have strict maximum sound levels and they'll install soundproofing in residences if you live close enough and it's still exceeding acceptable limits
