Traffic information providing system and method for generating traffic information
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United States of America Patent
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Aug 7, 2012
Grant Date -
Dec 18, 2008
app pub date -
Jun 12, 2008
filing date -
Jun 15, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for generating traffic information to be used in a car navigation system, comprising the steps of acquiring traffic information data including information relating to a travel time of links making up a road on a map and for acquiring map data relating to the link, the map data comprising at least information on a road type of the link and checking if a volume of the traffic information data available in is sufficient for performing a statistical estimate for the travel time. In order to enhance the traffic information generated, it is proposed to use the steps of checking if the volume of traffic information data relating to links located in a target area is sufficient and adapting a size of the target area depending on the amount of available traffic information data.
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