Answer:
When it comes to me, you go on red and stop on green. What am I?
I am a type of animal that hang out in the mist
What building has the most stories?
I am always coming but I never arrive. What am I?
I go in dry and come out wet. The longer I stay in, the stronger my surroundings get. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.