A clever traffic light, created by the & BBDO, shows how simple hacks that take into consideration human psychology and are designed to be fun, can drastically increase the safety of our cities. The company built and installed a "dancing traffic light" at an intersection in Lisbon, Portugal. The traffic light projected the silhouettes of passersby dancing in real time in a specially designed booth, and was so entertaining that it reduced red-light crossing by 81%!

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