Answer:
I hide but my head is outside. What am I?
I run around the city but I never move.
When it comes to me you go on red and stop on green.
I have to be broken before I can be used
I belong to everyone. Sometimes make you happy, sometimes make you sad. I will never end until the day you do. What am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.