In residential areas you never would have any signs because of this rule.
You can speed through it if visibility is good but it is very hard to argue you weren't at fault in case of a crash.
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...
In residential areas you never would have any signs because of this rule.
You can speed through it if visibility is good but it is very hard to argue you weren't at fault in case of a crash.