cancel2 2022
Canceled
they are proven to be more efficient than 4 way stops
https://www.michiganautolaw.com/blog/2014/07/19/mythbusters-tackle-roundabout-versus-4-way-stop/
I've seen that episode of Mythbusters as well. The French used to be indifferent to roundabouts in the past but they have more than the UK now, 30,000 compared to 20,000.