How high around your home can you have a cyclone fence in metropolitan area?

Question

In the front on busy street

Answer 1

That will vary by city - some areas will not allow it at all, some will limit the height, others won't limit you - and it varies by area of the city due to rules called "zoning".  So look up "Zoning" in your phonebook in the blue-pages where city government phone numbers are listed and call them for the regulations on fencing for your property.