When I was little, I used to believe that instead of the car moving, the road would move. The car was stationary in one place while the road beneath it moved at the posted speed limit.
..If only!
A childhood belief about cars

others believed things like this
- When looking at the clouds and seeing them move I use to think it was the world rotating beneath.— Andy
- I used to believe that when you moved houses, you traded homes with the person whose house you're moving into.Anon
- I used to believe the "Yield" from the road sign was somebody's name.— julia
- I used to call the shoulder of the road, the elbow.Anon
- My mum used to tell me that someone was delivering bricks at the top of our road when it thundered!— Deb
- I used to think that if you went to the end of a road marked "Dead End", somebody would try to kill you.— Spooky