Google says, "For example, if there’s a sudden increase in hard-braking events along a route during a certain time of day when people are likely to be driving toward the glare of the sun, our system could detect those events and offer alternate routes." The new feature will be available on both the Android and iOS version of Google Maps.
Google Maps will search for a safer route where drivers don't slam on their brakes
To determine which roads are dangerous because of drivers who are braking hard, Google turns to sensors that are placed inside drivers' mobile devices. Accelerometers and gyroscopes can spot areas of the road where there is sudden deceleration pointing to hard braking. But even Google has to admit that just relying on sensors can lead to a false alarm.
Slamming a phone into a cup holder can create a false alarm and Google Maps might read that sudden stop as a car whose driver just slammed on the brakes. To improve the accuracy of the feature, Google turns to AI and analyzes Google Maps to see whether the driver slammed on the brakes along the route that was taken. Google can also analyze the actions taken by other vehicles taking the same road at the same time in order to determine the reason why a driver slammed on the brakes.
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