I used to believe that the cricket from disney's pinochio was inside the traffic lights pressing buttons. I also thought that the green straight-ahead arrow was telling people that they could go straight up rather than forward, and I always perplexed my mom by saying "you can't go up!" every time I saw one
A childhood belief about traffic lights

others believed things like this
- I used to believe that north was always straight ahead. I could never face south, but I knew it was behind me!— Bruces
- I used to believe that Jiminy Cricket was a grasshopper because I had never seen a green cricket.Anon
- I used to think making straight A's in school was literally writing A's straight. Anon
- when i was little thought that ants changed traffic lights from green to red and vice versa.Anon
- I believed that traffic lights had police officers inside them, turning the lights on and off...— CrowHeart
- When i was little i always thought there were little men inside the traffic lights changing the light— Kiley