Even when school buses are yellow, why are they white on top?

Question

Even when school buses are yellow, why are they white on top?

Answer 1

The white roofs keep the average Florida school bus 12 degrees cooler than an identical yellow-roof bus. Why Florida? Because I can tell you for a fact that they were the first (and probably only state) to run tests in order to increase air conditioner effeciency. You will notice that most white-roof buses also have tinted glass for the same reason.

Answer 2

Because white reflects heat the best and keeps all the children a little cooler in the hot sun.

Answer 3

First the heat reflection.  But in an emergency it makes them easy to spot from the air.  Some now have the school number on the roof.

Answer 4

To help keep the temperature cooler on the inside

Answer 5

So it does not look like a tweenke.

Yellow bus full of white kids.

Answer 6

Not all of them are. I see this only in warm climates. Where I live, in a cold climate, they're yellow all over.

I think the first answer is right, that the white paint on the roof is an effort to reflect radiant heat.

Answer 7

It is for cooling the bus down but there are some that are also painted silver on top also for the same reason...............