Not knowing the word "yield" as a child, I initially thought this was how one spelled "y'all". I figured the signs on the road were put there by the city to be welcoming to tourists, though it seemed like a poor strategy to me personally.
A childhood belief about spelling

others believed things like this
- I used to believe the "Yield" from the road sign was somebody's name.— julia
- I used to see "End Road Work" signs, and thought they were a sort of protest.— Sebastian
- I used to believe the word shoes was spelled shouse. It looked right to me... — Shouse
- I used to beleive that road signs grew out of the ground.— Tiana
- I used to believe that the sky had stop lights and road signs floating about for the airplanes.
— LoonaSM's - I used to believe that the rapper Eminem's name was spelled M&M and anyone named Juan was spelled one.Anon