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

If going over the speed limit is the norm for a stretch of road Google maps will know, they can calculate to traffic speed regardless of the speed limit.

This is what happens when traffic is moving slower than expected as well.

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