And nice one on school buses

If you're one of those who like understanding how things work, you might enjoy this from Smithsonian Magazine on school buses and why they are yellow:

“The yellow is not pure spectral yellow,” says Ivan Schwab, clinical spokesperson at the American Academy of Ophthalmology. “The best way to describe [the color] would be in wavelength,” says Schwab. The wavelength of the popular school-bus color is “right smack in the middle” of the peak wavelengths that stimulate the photoreceptor cells our eyes use to perceive red and green. The red and green photoreceptor cells, or “cones” as they are commonly known, are the two most predominant cones in our eyes. Schwab says, “If you get a pure wavelength of one color…and you hit just one cone with it, you’re going to have x amount of transmission of signal to the brain. But if that [wavelength] were to stimulate two cones, you’ll get double the amount of transmission to the brain.” Remarkably, “That color that we are calling school bus yellow hits both peaks equally.” So although they may not have fully comprehended the science behind it, the color Cyr and his colleagues chose at the 1939 conference makes it hard for other drivers to miss a school bus, even in their peripheral vision. “And it’s darned big,” Schwab adds.

And also:

The school bus transportation system is the largest mass transit system in the United States, yet school buses account for less than one percent of traffic fatalities each year. Students on school buses, NHTSA says, are 70 times safer than those who travel to school by car "because [school buses] are the most regulated vehicles on the road; they are designed to be safer than passenger vehicles...; and in every state, stop-arm laws (referring to the mechanical stop-sign arm that swings from the side of the bus when stopped) protect children from other motorists." Kinney, says, “If you look at fatalities, it’s not the occupants of the school bus that have fatal injuries, it’s the people that run into the school bus.”