Cal. Code Regs. tit. 14, § 921.8
The following additional Rules shall apply to Buffer Zones within Coastal Scenic View Corridors and adjacent to publicly owned preserves and recreation areas as defined and/or designated by the Coastal Commission on July 5, 1977.
The Buffer Zone adjacent to designated Coastal highways shall be a 200 foot (60.96 m) wide band running parallel to the first line of trees nearest the road on appropriate side(s) of the road as designated. In no place shall the Buffer Zone extend more than 350 feet (106.68 m) from the shoulder of the road. The Buffer Zone also shall include those forested areas within the Coastal Zone within 200 feet (60.96 m) of all publicly owned preserves and recreation areas including national, state, regional, county, and municipal parks. Said distances shall be measured along the surface of the ground.
1. Change without regulatory effect amending section filed 10-31-2017 pursuant to section 100, title 1, California Code of Regulations (Register 2017, No. 44).