Community Awareness – Tree Protection Zones (TPZ) Community Awareness, TPZ, Pot Holes and Graffiti, Dry Cutting. Tree Protection Zone Infractions TPZ-1TPZ-6TPZ-5TPZ-4TPZ-3TPZ-2 Typical Tree Protection Zones TPZ-good-4TPZ-good-3TPZ-good-2TPZ-good-1 Deliberate or Accidental? A common example of starting with a proper TPZ only to trash it as construction proceeds. Good Intentions Inattention No Intention Back to top