Musicians walk on a crosswalk painted like a piano Outside the Eastman School of Music in Rochester, N.Y. Increasingly, urban designers and transportation planners say this kind of art — colorful crosswalks and engaging sidewalks — leads to safer intersections, stronger neighborhoods, and better public health.

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Musicians walk on a crosswalk painted like a piano Outside the Eastman School of Music in Rochester, N.Y. Increasingly, urban designers and transportation planners say this kind of art — colorful crosswalks and engaging sidewalks — leads to safer intersections, stronger neighborhoods, and better public h