When I was young I lived in an area (in the UK)where lots of new roads were being built. As the building was taking place these markers were used for some reason and they were usually a straight piece of wood with another piece across - like a crucifix shaped piece of wood a couple of feet high.
I used to think that these were the graves of people who had died while working on the new road - it made me feel that building roads must be a very dangerous job to have!
A childhood belief about in the street

others believed things like this
- My dad thought robin feet were made out of wood because they look like twigs.— Molly
- that Uttoxeter was a huge and important place, cause all roads in Stafforshire point towards it— rosy
- I used to think the Empire State Building was called the "Ten-past-eight building".— Alex
- i used to believe that one piece of ear wax was actually called a wach. — rachael
- I used to think that a gherkin was some kind of piece of machinery. I wonder where I got THAT from...— Some Idiot
- I used to believe that pretzals were made of wood.Anon