Quote:
Originally Posted by Fiat_Lux
At one point in time, it was common for city and county authorities to legislate what colour specific types of vehicles could be painted:
* Yellow: taxi cab;
* Black and white chequers: taxi cab;
* Black with white doors: Police car;
* Yellow: School bus;
* Red: Fire engine;
* White: Ambulance;
* Olive Drab: Army vehicles;
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I'm not sure that's accurate. I drove a taxi while I was in college and before. The city did require each company to pick a color for their taxis and stick with it. But the company got to pick the color.
I suspect red fire engines are just tradition although I don't actually know they aren't law. In any case police cars and fire engines belong to the city and they can paint them those colors if they choose. The same is true for army vehicles. Ambulances are commonly white but not always.
School busses are yellow but they belong to the school districts and I suspect they choose to make them yellow.
So most of what you describe are government owned and the government, their owner, chooses their color. Not really an example of what we're talking about.
Barry