Originally Posted by
Juha
No photo, but here's the street sign design as it appears in our law.
I know how it looks like, but it's really not there to warn about impending head-on collision of two cyclists. It's for drivers and it's usually coupled with a yield or stop sign. It means the junction they're approaching has a lot of crossing cycle traffic, or that crossing cycle traffic is difficult to see.
--J
That is an interesting one!