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Navigation systems

  • US 20070213924A1
  • Filed: 03/09/2007
  • Published: 09/13/2007
  • Est. Priority Date: 03/09/2006
  • Status: Active Grant
First Claim
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1. A navigation system for a vehicle, comprising:

  • a memory that stores map data including a roadway network;

    a vehicle position detector that detects a current position of the vehicle; and

    a controller that;

    determines whether the vehicle is within a predetermined distance of a passing lane, a climbing lane, or a lane for slower traffic based on the detected current vehicle position and the map data; and

    if the vehicle is within the predetermined distance, provides guidance regarding the passing lane, the climbing lane, or the lane for slower traffic based on a distance to another vehicle detected by a distance detector mounted on the vehicle.

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