New research project captures traffic data using GPS-enabled cell phones

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Cars at the Mobile Century command center in Union City head out on their 10-mile driving route on I-880. The drivers all UC Berkeley students carried GPS-enabled cell phones that transmitted speed and position information to researchers at the comma ...
Cars at the Mobile Century command center in Union City head out on their 10-mile driving route on I-880. The drivers, all UC Berkeley students, carried GPS-enabled cell phones that transmitted speed and position information to researchers at the command center, creating a nearly real-time picture of traffic flow. (Paul Kirchner Studios photo)

Researchers from the University of California, Berkeley, and Nokia tested technology that could soon transform the way drivers navigate through congested highways and obtain information about road conditions. In the unprecedented field experiment, transportation researchers tested the feasibility of using GPS-enabled mobile phones to monitor real-time traffic flow while preserving the privacy of the phones' users.


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