depends on what the definition of superblock is. Superblocks in american are a barrier to walking cycling. In tokyo it may be more like the initiative in Barcel

depends on what the definition of superblock is. Superblocks in american are a barrier to walking cycling. In tokyo it may be more like the initiative in Barcelona [1] where there are streets inside the superblock, but not for through vehicular traffic. It's important to have a highly connected fine grained network of streets for pedestrians and cyclists. [1] https://www.theguardian.com/cities/2016/may/17/superblocks-rescue-barcelona-spain-plan-give-streets-back-residents https://www.theguardian.com/cities/2016/may/17/superblocks-r...