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by seattle_spring 1100 days ago
They’re all over the western US, very frequently with several signs notifying drivers that one is coming up.
1 comments

I never seen those in the US or Canada... I've been mostly on the east coast though
Seconded, I was really confused until I watched a video shared. Never seen one of those in my life and I've done a lot of back road driving on the east coast. Typically we'll just have labeled passing zones.