Patent ID: 8188887

Claim:
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.