Why do some busses have white roofs?

More specifically, white panels reflect the rays of the summer sun, thus keeping the vehicles cooler. After 10 years, 98.5 percent of the fleet of 8,700 has white roofs, thus improving the overall conditions for passengers and drivers as well as reducing fuel consumption for air conditioning systems.



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According to this nearly 20-year-old New York Times article, the reason is that white tops are more reflective, lowering the temperature inside the bus by an average of 10 degrees during the summer.?

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Back in 1992, The New York Times reported on a study in North Carolina that found that school buses with white tops were roughly 10 degrees cooler inside on summer days than those with yellow tops. During the hottest hours, the contrast could rise to 17 degrees.

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Ten years ago, the Transport for London introduced a programme for the installation of white panels atop the capital's trademark red buses in the framework of further climate-adaptation plans. More specifically, white panels reflect the rays of the summer sun, thus keeping the vehicles cooler.

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Even when you are looking ahead, you can see yellow in your peripheral vision. Scientists say that lateral peripheral vision for detecting the color yellow is 1.24 greater than that of the color red. So, yellow school buses are not for aesthetics, but mostly for safety and to make sure we can see them.

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Buses (and large trucks) are designed to carry a lot of weight on their axles, which effectively means that they need to have very stiff springs in their suspension. This makes for a very bouncy, harsh, uncomfortable ride, which can be fatiguing for a driver who has to deal with it all day long.

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If you live in the United States, the color of most school buses is not a pure yellow (like the color of lemons). It's not the same color as an orange either. The color of a school bus is yellow-orange. This color is a mixture of lemon yellow and orange ...

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Summary. This 1927 Blue Bird is the oldest surviving school bus in America. Albert Luce, Sr., built his first bus in 1925 by mounting a purchased wood body to a Ford truck frame.

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