It's a sight we've all seen countless times– morning traffic slowing down as a bright yellow school bus pulls up to collect children. The colour stands out instantly, and that’s no accident.

A similar visibility is applied to school buses, which are coated in a signature yellow color. The specific name of this shade is National School Bus Glossy Yellow. According to the National ...

The cover of the book, "The Yellow Bus," is seen in this undated photo. It is written and illustrated by author Loren Long. The yellow school bus is an iconic symbol in American culture.