Understanding the Zipper Merge: Psychology Behind Traffic Flow and Driver Reactions

Is your commute the most stressful part of your day? Traffic psychologist Dwight Hennessy, PhD, talks about what’s going on when we get behind the wheel -- including what causes “road rage,” why some people find driving more stressful than others and how our personality affects our driving, what’s going on with the “zipper merge,” and how driving may change with more automated and self-driving cars.

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