Travel Time Reliability Reference Manual/About INRIX

"As of April 2012, INRIX collects trillions of bytes of information about roadway speeds from nearly 100 million anonymous mobile phones, trucks, delivery vans, and other fleet vehicles equipped with GPS locator devices. Data retrieved from consumer cellular GPS-based devices including the iPhone, Android, BlackBerry and Windows Phone phones, Ford SYNC and Toyota Entune. The data collected is processed in real-time, creating traffic speed information for major freeways, highways and arterials across North America (United States, Canada), as well as much of Europe, South America, and Africa."

See the INRIX Wikipedia Page for more information.

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= References =