[Gaffer]

I remember when I lived in England in 1975 there was a super round-about that had one giant roundabout at the center of a circle of smaller round abouts (5 or 6). Each entry into the round about complex had a pull-off car park
with a big sign that mapped out how to negotiate it.....

[tgusa]

Must have been - interesting - when combined with the ‘wrong side of the road’ thing.