My parents liked to take long drives on the weekend for something to do. In the Winter they often took us kids to a cliffside lighthouse on a narrow, windy road. As it was always foggy and raining, I used to believe that the big yellow CONGESTION sign meant "be careful or you will catch a cold"
A childhood belief about road signs

others believed things like this
- I thought for the longest time that a No Standing traffic sign meant no person should stand near that sign.— Shannon
- I used to believe the "Yield" from the road sign was somebody's name.— julia
- I used to believe that there was only one lighthouse in the world and it was at the centre of the earth. Anon
- i always thought that a DEAD END sign
as where they put all the road kill.
— pav - I believed that the gap between the double yellow lines in the road was a special lane for motorcycles.— Joel
- I used to believe if it was raining in the town I lived in then it was raining everywhere in the world — Pablo