Yes, they do exist, but they are clearly marked, including on the maps, so you need to do only a minimum amount of adaptation. On the other hand, most of the ex

Yes, they do exist, but they are clearly marked, including on the maps, so you need to do only a minimum amount of adaptation. On the other hand, most of the examples of egregiously bad driving I noticed were in Reykjavik, and in the countryside drivers are generally very careful (modulo tourists who suddenly slow down, stop, or even reverse a bit to take a photo or smth).