[kergonath]

> the total number of roundabout like that in the country can probably be counted on one hand.

Most probably not. I know 3 of them off the top of my head in my neck of the woods. They are not super common, but they are not that rare either.

[rkomorn]

I've been driving in France for almost 30 years and I wouldn't be able to point to a single "rond-point".