During a cross country trip, I keyed in a destination that was 2 hours away, through both urban and rural areas and through varying levels of rush hour traffic. I know they have ways of measuring instantaneous traffic levels, but how can they predict road conditions for multi-hour journeys?
In: 8
Phones have sensors that can measure speed. You agree to share that data when you use navigation services. Each road has data attached to it describing traffic patterns at different days and times.
When you select a route, the service estimates what the traffic would be like when you hit the road, and adds up all the expected travel times.
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