Watching the ebb and flow on city streets
September 6th, 2006 by Tom Johnson

Friend Steve Guerin tips us to “Cabspotting,” a fascinating site created by San Francisco's Exploratorium.  It's about georgraphy, traffic flow, and complexity.  Give a look to “Cabspotting”

About Cabspotting

traces San Francisco's taxi cabs as they travel throughout the Bay
Area. The patterns traced by each cab create a living and
always-changing map of city life. This map hints at economic, social,
and cultural trends that are otherwise invisible. The Exploratorium has
invited artists and researchers to use this information to reveal these
“Invisible Dynamics.”

The core of this project is the Cab Tracker.
The Tracker averages the last four hours of cab routes into a ghostly
image, and then draws the routes of ten in-progress cab rides over it.

The Time Lapse
area of the project reveals time-varying patterns such as rush hour,
traffic jams, holidays and unusual events. New projects are produced by
the Exploratorium's visiting artists and also created by the larger
Cabspotting community.

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