In the Gordon Lightfoot song Carefree Highway - I used to think it was "Every highway, let me slip away..." instead of "Carefree highway, let me slip away..."
A childhood belief about misheard lyrics

others believed things like this
- When my wife was a kid, she used to think that highway speed bumps were for the blind.Anon
- when the sign on the highway said do not pass and dad did i thought he would be in great dangerAnon
- I used to believe, driving in front of all the other cars on the highway, Knight Rider was leading the pack.— Michael Kolassa
- on "highway to hell" i always thought it goes "baby see, baby do" instead of "hey satan, payin´ my dues"— Miss Understood
- No passing zones on the highway. How come we just kep passing those signs? — Colleen
- If you hold your breath and make a wish under a highway tunnel it will come true....I still hold my breath :)— aj