In europe most of intersections that would be all-way stop in US either do not have any signage or signage to remind drivers of the rules of non-prioritized int

In europe most of intersections that would be all-way stop in US either do not have any signage or signage to remind drivers of the rules of non-prioritized intersection ("warning, yield to the right"). Small roundabouts were to large extent specific to UK, until various european local authorities found out that building roundabouts is good way to meet their EU grant quotas.