I used to believe that the turnpike was a turnpipe. Cars would drive through pipes and steering was not necessary.
A childhood belief about cars

others believed things like this
- Because of cartoons, I thought that to drive you'd just turn the steering wheel back and forth constantly. — Mitsuki
- I thought the no overtaking sign meant that red cars cannot drive by black cars.— Helen
- I thought that people were like cars because cars have exhaust pipes, and people fart.— Matt
- I used to believe that car exhaust pipes were what propelled cars, instead of the engines.— Thomas Johnston
- I used to believe that self drive cars actually drove themselves!Anon
- I used to believe that cars grew and that our car would grow to big to go under the McDonalds drive-thru.— Mary Ellen