I used to think the sign on lorries that said Long Vehicle said Long Voyage no idea why as I was always good at reading!
A childhood belief about road signs

others believed things like this
- I thought the “Slippery When Wet” traffic sign was a car that had grown long bendy legs.Anon
- I'm an American, and for a good long while I thought that Boxing Day involved the sport of boxing.— miss Taken
- I used to think a female daddy-long-legs was called a "mummy-long-legs".Anon
- When I used to see a sign saying "Littering Fine" I thought they meant if you littered REAL GOOD!— Lou V.
- Good looked exactly like George Washington.
I have no idea where I got this.— Leen - I thought for the longest time that a No Standing traffic sign meant no person should stand near that sign.— Shannon