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Probably a more realistic model of North American travel patterns

The same 60,000 trips (of 20 or more miles each) through the same 750,000 randomly-chosen geotags, grouped with 10-mile radius, from the Twitter streaming API, August, 2011.

 

Map of actual (truck) traffic volumes in 2010. Pretty close in some ways, pretty far off in others.

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Uploaded on January 31, 2012