People Rarely Leave 6-Mile Circle | Planetizen

Interesting study, no doubt many to follow. I wonder what a study like this would look for an American suburb, and I also wonder how much this study is impacted by children & teenagers with cell phones.

People Rarely Leave 6-Mile Circle Planetizen

In a study in Europe using cellphone GPS data, researchers discovered that people rarely leave a six-mile area around where they live. GPS cellphone data is being used for a host of urban planning studies like this...."In Rome, they combined that information with GPS data from city public transportation to capture an ever-changing picture of the city's activity, from traffic jams to nightlife hotspots. The information, [MIT professor Carlo] Ratti says, 'could be useful to traffic planners, emergency planners and others.'"