Sun glare can be a danger to motorists because it can impede a driver’s vision and cause accidents, especially when it occurs suddenly and surprises the driver. Yet, directions provided by navigation apps do not currently include the amount of sun glare expected to be encountered along a given route at the time of travel. This disclosure describes techniques to score a given route based on the amount of sun glare likely to be encountered at the estimated time of travel along a given route. The sun glare score for a route is obtained based on individual sun glare scores for road segments within the route based on factors such as terrain, weather, historical traffic incident information, etc. The scores for the various routes can be used when suggesting routing options. The techniques can be integrated within any application, device, or platform that includes maps, navigation, and Advanced Driver Assistance Systems (ADAS) functions, or as part of a self-driving vehicle.
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Bahnsen, Bruce and Mayster, Yan, "Navigation Suggestions to Select Driving Route with Low Sun Glare", Technical Disclosure Commons, (March 16, 2022)