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Systems, methods, and data structures for correcting traffic information

  • US 20050143908A1
  • Filed: 12/03/2004
  • Published: 06/30/2005
  • Est. Priority Date: 12/26/2003
  • Status: Active Grant
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9. A method of correcting traffic information, comprising:

  • accumulating traffic information including, for each link, a link travel time during at least one trip time;

    converting the link travel time into a vehicle speed;

    determining that the converted speed is abnormal if the converted vehicle speed is larger than a predetermined value; and

    replacing the abnormal vehicle speed with the predetermined value.

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