How does a GPS work with ETA?

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I noticed this the other day, I turned my Google Maps GPS on, put in destination. It told me the trip would take 9 hours. I drove ~8-10 over the speed limit, hit almost no traffic, it took a bit under 9 hours.

How does it calculate time? I would have thought going 8 over the limit for 9 hours would have meant I would have gotten back over an hour earlier, no?

In: Technology

6 Answers

Anonymous 0 Comments

Before you press “Start” when getting driving directions, Google Maps uses posted speeds and current traffic conditions to calculate trip and arrival time data. It adjusts from there using real-time traffic data and your current speed (which is aggregated with everyone else’s speed to create the traffic condition maps) as you are driving.

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