I used to think that the "Wrong Way" signs that indicate one-way streets were meant to tell you that you personally were heading the wrong direction to your destination. I asked my mom once how that sign knew where people we going...
A childhood belief about road signs

others believed things like this
- I used to believe the Do Not Pass signs on the roads meant you were'nt aloud to pass the sign. I was 14.Anon
- I used to believe that "carpooling" meant you were outside the car and pushing/pulling it to your destination.Anon
- I thought for the longest time that a No Standing traffic sign meant no person should stand near that sign.— Shannon
- I used to think that aeroplane carry people to a destination which located on top of the clouds — kaizen7
- I used to believe that a street sign that read "Dead End" meant that there were dead people buried there.Anon
- When I was a kid, I used to believe that the "ped x-ing" signs meant "pediatrician crossing."— Jessica