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Method and System to Calculate Historical Traffic Data

  • US 20090326802A1
  • Filed: 06/30/2008
  • Published: 12/31/2009
  • Est. Priority Date: 06/30/2008
  • Status: Active Grant
First Claim
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1. A method for providing directions for a shortest time route by a vehicle navigation system, the method comprising:

  • receiving a first route request from a telematics unit wherein the first route request contains a first time-of-day and a first vehicle current location;

    receiving a second route request from the telematics unit wherein the second route request contains a second time-of-day and a second vehicle current location; and

    calculating a current travel time between the first vehicle location and the second vehicle location using the first time-of-day and the second time-of-day.

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