Reykjavík has a few of those, but they are amazing. They are one of the few places where cars actually stop for pedestrians almost immediately (way more effecti

Reykjavík has a few of those, but they are amazing. They are one of the few places where cars actually stop for pedestrians almost immediately (way more effective then simple painted crosswalk). They also do wonders in slowing down the traffic as it reaches downtown (way more effectively then simple speed bumps).