How the yellow school bus became an iconic symbol in America

The yellow school bus got its start in rural America.

Children board buses in the center city of an unknown location to go to outlying schools on Dec. 10, 1971. [Photo: AP Photo, File]

They arrived in a kaleidoscope of colors, but one won. For decades, the American school bus has maintained such a standard look that “school bus yellow” is national shorthand for its deep, glossy hue.

No act of Congress mandated the color,........

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