For nearly a century, one color has ruled America’s roads every school morning: that unmistakable glossy yellow. It’s not by chance – it’s all thanks to one determined educator called Frank W. Cyr. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

Cyr, a professor at Columbia University who passed away in 1995 , became known as the “father of the yellow school bus” because of his work in the 1930s that set many of the modern school bus standards.

In 1937, Cyr began a study of school transportation across the US and found that children from different states were traveling to school in all kinds of vehicles. They came in all shapes, sizes, and colors. One district painted its buses red, white, and blue to season the children with some a

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