Comment by silvestrov

A good example is looking at Apple's old campus:

https://www.google.com/maps/@37.3321579,-122.0298439,567m/da...

I get the total area to be 131351 m2 and the area inside the "Infinite loop" road to be 58029 m2, i.e. only 44% of the total area.

So cars waste half of the area. https://www.daftlogic.com/projects-google-maps-area-calculat...