Good, they can pay attention for once. Traffic arriving to roundabout is slow enough anyway as you can't just "ride thru it" if it is a small one. And for big

Good, they can pay attention for once. Traffic arriving to roundabout is slow enough anyway as you can't just "ride thru it" if it is a small one. And for big ones, well, you can just have traffic lights. Or not have passing for pedestrians in same place as for cars