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METHOD OF SELECTING ROUTE AND TERMINAL THEREOF

  • US 20080275639A1
  • Filed: 12/12/2007
  • Published: 11/06/2008
  • Est. Priority Date: 05/01/2007
  • Status: Active Grant
First Claim
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1. A method of selecting a travel route, the method comprising:

  • receiving message information formed in a hierarchical structure and including traffic information;

    receiving a first position value and a second position value corresponding to first and second positions;

    searching for travel routes between the first and second positions;

    classifying the travel routes from the first position to the second position into a plurality of individual road links;

    calculating a route cost for a first road link that includes the first position and a second road link directly connected to the first road link based on an average link speed for the first and second road links, respectively;

    calculating a route cost for each additional road link after the first and second road links up to a last road link including the second position based on one of a current traffic congestion status information and a predicted traffic congestion status information; and

    calculating a total route cost for all of the road links for the travel routes from the first position to the second position.

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