GPS tracking shows traffic congestion returning after recession

Want to know how the economy's doing? Look at the roads. Want to know how the roads are faring? Ask a company that compiles data from the GPS units in people's cars. Inrix Corp, which does just that, says that...

Source: http://news.consumerreports.org/cars/2011/03/gps-tracking-shows-traffic-congestion-returning-after-recession.html

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