There is no set colour for school buses in Europe. Europe has about 50 countries and they have lots of school buses of all sorts of colours.
Visibility and distinction. It's a highly visible colour, and it's distinct in that it is the colour associated with school buses.
Yellow became the colour for school buses in 1939, so till then and for a while after 1939 it is conceivable that buses were a different colour than yellow.
to tell them apart from public transport.
The reference given below, will help you to know more about your question.
I think school buses are yellow because not many cars are yellow so they will stand out more. School buses are painted chrome yellow for its high visibility Also because the federal safety people say it has to be. So technically yellow school buses are a federal law
No they don't because school buses are not living creatures.
School buses are known to be the safest veichels on the road.
really school buses are orange and yellow
Wiring schematics for international school buses can be found through the original manufacture of the school buses. These schematics can be used by auto mechanics when the buses need to be repaired.
Newer school buses do have seatbelts. However, it is expensive for school systems to buy all new buses every year, and most counties and districts only replace a certain number of buses each year. This means that, though newer school buses do have seatbelts, not all school buses currently in use are equipped with seatbelts.
School buses looked the same as they do now.