To put things into perspective: 65 million + 60 million + 45 milion = 170 million people, about half of the US population. So 59 000 roundabouts for half the p

To put things into perspective: 65 million + 60 million + 45 milion = 170 million people, about half of the US population. So 59 000 roundabouts for half the population versus 10 000 in the US. That's a deficit of 90% per capita :-)