Answer:
Built of metal or wood to divide. It will make us good neighbors, if you stay on your side. What is it?
What falls down but is never injured?
If you drive on this, pedestrians and the police will be pretty upset with you.
Small, containing light, You'll need it in the dark, It will provide that spark, and shine into the night. Will light up any pyre, 'Cause it can help make a fire.
It can be grown in your yard or bought at the store and is given for love when less is more?
Two little holes in the side of a hill. Just as you come to the cherry-red mill.