New technology uses cell phone positioning data to report traffic tangles

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In a snapshot from a single carrieracutes network in Tampa Fla. blue dots represent all active mobile phones -- data sources for the IntelliOne system. Credit: IntelliOne Technologies Corporation
In a snapshot from a single carrier's network in Tampa, Fla., blue dots represent all active mobile phones -- data sources for the IntelliOne system. Credit: IntelliOne Technologies Corporation

Engineers have developed a system for taking anonymous cell-phone location information and turning it into an illuminated traffic map that identifies congestion in real time.The system takes advantage of the steady stream of positioning cues--untraced signals all cell phones produce, whether in use or not, as they seek towers with the strongest signals. It is the first traffic-solution technology that monitors patterns on rural roads and city streets as easily as on highways.


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