Local accessibility measured in different cities (IMAGE)
Caption
Each hexagon in each city is colored according to its proximity time (PT). Blueish (reddish) colours indicate areas with service accessibility times below (above) 15 minutes. There are notable differences between cities. A small fraction of Atlanta's city area has PTs less than 15 minutes. By contrast, Paris has a significant portion of its city area below 15 minutes.
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© Sony Computer Science Laboratories - Rome, Joint Initiative CREF-SONY
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