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.

In 1892, Wayne Works, an automotive company in Indiana, developed its horse-drawn “School Car” for a school district in Ohio, with a single entrance ... buses. The winner was the bright yellow ...

The yellow school bus is such a big part of life in the United States, even if you have never visited the country, you've probably seen it featured on film or TV. Here, BBC Bitesize takes a look ...