Answer:
When you stop and look you can always see me. If you try to touch you cannot feel me. I cannot move but as you near me I will move away from you.
What is shaped like a box, has no feet, and runs up and down?
When it comes to me you go on red and stop on green.
I am always in front of you but you will never see me
I need to be taken from you before you can have me.
What did the grape do when he got stepped on?