I think their system is even better (doesn't require GPS and all). Basically, it tracks mobile-phones at congestion points via cell-towers (http://www.pluggd.in/indian-startups/mapunity-btis-gis-startup-interviewhtml-450/). As the article mentions, there are other very funky uses for cellphone tower logs besides real-time traffic systems (census estimates?).

The only downside is that mobile carriers are a key component, you need access to the logs.

On Fri, Aug 28, 2009 at 9:28 AM, Josiah Mugambi <jmugambi@gmail.com> wrote:

Any hope that we can do this...

http://traffic.berkeley.edu/theproject.html

--
Josiah Mugambi
Ogden Nash - "The trouble with a kitten is that when it grows up, it's always a cat."

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