This yellow sign is new. And it validates my pet peeve with 2-way stop signs looking like 4-way stop signs despite the fact that the only thing they have in common in terms of traffic rules is that you slow down.
"Uncle Mike found this photo of one of our relatives. Herb Sullivan was one of four brothers who were my father's cousins. One of the brothers married the divorced wife of John Ringling North III. Johnny North was uncle Tim's friend. They were the same age." -Dad