System and method for alerting drivers to road conditions

  • US 8,188,887 B2
  • Filed: 02/13/2009
  • Issued: 05/29/2012
  • Est. Priority Date: 02/13/2009
  • Status: Active Grant
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First Claim
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1. A method for warning a driver of changing road conditions, comprising:

  • obtaining, at a vehicle monitoring device, current road condition information for at least a portion of a route;

    identifying a first feature and a second feature associated with the portion of the route, wherein the first feature comprises a change in a first road condition parameter and a second feature comprises a change in a second road condition parameter, wherein each of the first road condition parameter and second road condition parameter changes from a first respective value on a first respective section of the route to a second respective value on a second respective section of the route;

    determining that a vehicle is within a first distance threshold of the first feature, the first distance threshold associated with the first feature;

    alerting a driver of the vehicle to the first feature in response to determining that the vehicle is within the first distance threshold;

    determining that the vehicle is within a second distance threshold of the second feature, the second distance threshold associated with the second feature; and

    alerting the driver of the vehicle to the second feature in response to determining that the vehicle is within the second distance threshold.

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