Cal. Public Resources Code § 5850

The Association of Bay Area Governments shall develop and adopt a plan and implementation program, including a financing plan, for a continuous recreational corridor which will extend around the perimeter of San Francisco and San Pablo Bays. The plan shall include a specific route of a bicycling and hiking trail, the relationship of the route to existing park and recreational facilities, and links to existing and proposed public transportation facilities. The plan shall do all of the following: (a) Provide that designated environmentally sensitive areas, including wildlife habitats and wetlands, shall not be adversely affected by the trail. (b) Provide for appropriate buffer zones along those portions of the bikeway system adjacent to designated environmentally sensitive areas. (c) Provide that the land and funds used for trail construction and planning are not considered mitigation for wetlands losses. (d) Provide alternative routes to avoid impingement on environmentally sensitive areas. (e) Provide that no motorized vehicles, except to the extent necessary for emergency services, be allowed on the trail. The association shall submit the plan to the Legislature not later than January 1, 1989.