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GPS-based traffic monitoring system

  • US 7,885,759 B2
  • Filed: 04/16/2007
  • Issued: 02/08/2011
  • Est. Priority Date: 06/30/2005
  • Status: Active Grant
First Claim
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1. A traffic monitoring system comprising:

  • a cellular phone system that communicates with a plurality of cellular phones and that generates vector and location data for said plurality of cellular phones; and

    a traffic monitoring module that communicates with said cellular phone system, that generates traffic reports based on said vector and location data from said plurality of cellular phones, and that selectively enables use of said vector and location data from a first one of said cellular phones when at least one of;

    a speed of said first one of said cellular phones is greater than a predetermined speed; and

    said traffic monitoring module receives vector and location data from a second one of said cellular phones and said second one of said cellular phones is traveling in the same or an opposite direction as said first one of said cellular phones and has a speed that is within a predetermined difference of a speed of said first one of said cellular phones.

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