[Symbiote]

There's no single European solution. Only some countries have the right-before-left rule.

Britain can shrink the roundabout to just paint, or sometimes paint and a slight hump: https://www.google.com/maps/@51.4722603,-0.0655446,3a,75y,32...

Denmark prefers tight corners and narrower roads. Just one parked car and you have to slow: https://www.google.com/maps/@55.6754101,12.4699621,3a,75y,28...