I used to believe that there was only one light bulb for each direction in traffic lights and that little elevators were used to move the lights up and down to the red, yellow, and green windows.
A childhood belief about traffic lights

others believed things like this
- i used to believe that red yellow and green meant "ready, set, Go!" on traffic lights..— cabagona
- I used to believe that the yellow light in traffic-lights meant Go Faster!— M. L. E.
- i used to believe that the green arrows on the traffic lights told you which way you had to go to get home.— Helen
- When i was little i always thought there were little men inside the traffic lights changing the light— Kiley
- I believed that traffic lights had police officers inside them, turning the lights on and off...— CrowHeart
- when i was little thought that ants changed traffic lights from green to red and vice versa.Anon