Why Can’t We Have Traffic-Calming “3-D” Crosswalks Like Iceland?

People around the world are fascinated by the 3-D illusion of this painted crosswalk in the small town of Ísafjörður in Iceland. It’s a creative and simple way to get motorists to slow down.
But if you try to make an eye-catching crosswalk design in the United States, the transportation engineering establishment won’t approve. That’s what happened to a group of neighbors in St. Louis who painted their local crosswalks and were told by the city the new markings were a safety hazard.
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