I used to believe that all traffic lights were operated by people in a big control room under the streets. I have no clue where this idea came from.
A childhood belief about traffic lights

others believed things like this
- "Traffic lights are operated by monkies inside of them" or so a very reliable source informed me.— guuy
- I used to belive there were people under the traffic lights, otherwise they wouldn't work...Anon
- I believed that traffic lights had police officers inside them, turning the lights on and off...— CrowHeart
- when i was about 5-8 i used to believe that oompa loompas lived in traffic lights and controlled the lights!!— ~wierd ~
- I used to believe that God controlled the traffic lights. He would decide when it was everybody's turn to go.— Amanda
- i used to beleive that elves controlled traffic lights.— Jessica