In New Zealand, for example, buses can be coated in any shade, but they should be properly marked with identifying signs and text. The origins of standardizing yellow as the color of school buses ...

The group came up with the "Minimum standards for school buses," a set of 44 rules all buses should adhere to. This included details like length, aisle width, and even the iconic yellow color.

The yellow school ... in trucks and buses of various sizes. He strongly believed that standardising the method of transport American children took to school would not only be cost-effective ...