Nowadays people use Google Maps to reach an unknown location. But let's find out how Google tells the arrival time just by entering the address. Google Maps uses GPS to find out the distance between your location and the destination.

This data helps Google to understand whether there is traffic on the route or not. Google uses the data of other people between the entered location to find out how much traffic there is. From the traffic condition, Google finds out how much time it will take to go through the route at this time.

As soon as many phones start moving at a slow speed on a road, Google assumes that there is traffic there.

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