Guwahati: Road accidents take place due to delay in seeing moving objects. Therefore, school buses are painted yellow to avoid hazards and reduce incidents of accidents.
School buses are yellow not only in India but in almost everywhere in the world. There are scientific reasons for safety behind this. This yellow colour is called ‘highway yellow’.
Not only are school buses yellow, most taxis and autos are yellow. The wavelength of red is maximum. So the color red appears from the farthest. This colour is used for alarms or traffic lights. Then yellow. Whose wavelength is less than red. But more than blue. So this colour is used in school buses, so that it can be seen from a distance on the road. Yellow can also be detected in rain or fog. The marginal vision of yellow is one and a half times more than red.
Our eyes are most sensitive to yellow colors and are least sensitive to violet and red colors. Due to this reason school buses are painted yellow.
Not only direct, we have no problem seeing yellow from any position as well. The lateral marginal view of yellow is 1.24 times higher than that of red. Large cranes or bulldozer cars used to build roads or houses are also painted yellow for the same reason. Road accidents take place due to delay in seeing moving objects. Therefore, school buses are painted yellow to avoid hazards and reduce incidents of accidents.