Route risk mitigation

  • US 10,229,462 B2
  • Filed: 08/03/2015
  • Issued: 03/12/2019
  • Est. Priority Date: 05/10/2007
  • Status: Active Grant
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First Claim
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1. A computing device comprising:

  • a processor; and

    a computer memory storing instructions that, when executed by the processor, cause the computing device to;

    receive, from an enhanced global positioning system (GPS) unit, location information identifying a current location of a vehicle traveling between at least a first location and a second location, wherein the location information is received in real-time from the enhanced GPS unit while the vehicle is traveling between the first location and the second location;

    while the vehicle is traveling between the first location and the second location, identify a plurality of routes for the vehicle between the first location and the second location based on the location information received from the enhanced GPS unit;

    while the vehicle is traveling between the first location and the second location, calculate a plurality of safety risk scores for the plurality of routes for the vehicle between the first location and the second location, each safety risk score of the plurality of safety risk scores corresponding to a particular route of the plurality of routes for the vehicle between the first location and the second location, wherein calculating each safety risk score of the plurality of safety risk scores comprises calculating the safety risk score of the plurality of safety risk scores based on a direction of travel of the vehicle through at least one segment of the corresponding route of the plurality of routes, wherein movement of the vehicle through the at least one segment in a first direction is associated with a first risk value and movement of the vehicle through the at least one segment in a second direction opposite to the first direction is associated with a second risk value different from the first risk value;

    based on calculating the plurality of safety risk scores for the plurality of routes for the vehicle between the first location and the second location, assign a plurality of indicators to the plurality of routes for the vehicle between the first location and the second location, each indicator of the plurality of indicators corresponding to a particular route of the plurality of routes, and each indicator of the plurality of indicators being assigned to the corresponding route of the plurality of routes based on the safety risk score of the plurality of safety risk scores calculated for the corresponding route of the plurality of routes;

    while the vehicle is traveling between the first location and the second location, generate, for the enhanced GPS unit, an alert comprising display information configured to cause the enhanced GPS unit to display at least two routes of the plurality of routes for the vehicle between the first location and the second location in different colors based on the at least two routes of the plurality of routes having been assigned different indicators of the plurality of indicators; and

    while the vehicle is traveling between the first location and the second location, send, to the enhanced GPS unit, the alert generated for the enhanced GPS unit, wherein sending the alert generated for the enhanced GPS unit to the enhanced GPS unit causes the enhanced GPS unit to display the at least two routes of the plurality of routes for the vehicle between the first location and the second location in different colors based on the at least two routes of the plurality of routes having been assigned different indicators of the plurality of indicators while the vehicle is traveling between the first location and the second location.

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