Traffic Reporting for your GPS Explained

There's a decent article in the Boston Globe this morning that talks about how traffic reporting works. It talks of how it's changing from some guy in a chopper to a pretty complex system of data reporting through roadside sensors and passive cell phone monitoring to get data uploaded to places like Traffic.com and NAVTEQ and then back out to you through XM satellite (or FM transmission) feeds. Many of the new Garmin units (StreetPilot C340, StreetPilot 2720 and 2730)as well as TomTom GO 300, GO 700, and the Cobra NavOne 4500 come with available traffic feed services. The traffic feed system is still in its infancy in my opinion, but will quickly become a must have feature for commuters in heavy traffic cities.

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