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

It has all the data from all phones and cars using its service and knows exactly how long the average drive. Knows there are traffic jams based on peoples phone locatio and them getting tied up. It has been tracking car travel data and with google earth driving on every road taking pictures it has a pretty good database for everything road related

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