A girlfriend of mine believed that the "All Way" sign below a "Stop" sign meant that this time they really wanted you to stop all the way...I don't think she appreciated my reaction...:-)
A childhood belief about road signs

others believed things like this
- I thought if 3 cards stopped at a 3-way stop sign then they had to stop forever until Christmas.Anon
- I thought for the longest time that a No Standing traffic sign meant no person should stand near that sign.— Shannon
- my mom believed when she was little that a street sign that said don't walk meant you better run.— Sara Mclen
- I thought that the sign "!" meant: "look at the wonderful landscape"— Giorgos
- I used to believe a dead end sign meant there was a graveyard at the end of the street or zombies — Still Out There
- I thought that the "don't walk" sign at crosswalks meant to run across the street as quickly as possible!— richard