Having seen enough red octagonal STOP signs in my time, I used to look out for green circular GO signs.
A childhood belief about road signs

others believed things like this
- I used to believe that the sky had stop lights and road signs floating about for the airplanes.
— LoonaSM's - I used to think that Mice controlled the Stop lights and crosswalk signs.Anon
- I always though as a kid that "To Let" signs were public conveniences with an I missing. Really.— Col
- When I was a kid, I used to believe that the "ped x-ing" signs meant "pediatrician crossing."— Jessica
- i used to believe that the signs for curvy roads were for snake crossingsAnon
- I used to beleive that road signs grew out of the ground.— Tiana