Notwithstanding any other provision of this code, the Board of Supervisors of Siskiyou County and the city councils of the cities within Siskiyou County may create, by joint powers agreement, the Collier Interpretive and Information Center Agency to construct, improve, finance, lease, maintain, and operate the Randolph E. Collier Safety Roadside Rest Area as an information and safety rest facility and to expand the use of the site into a cultural, tourist, river fisheries, water, natural resource, and aquatic habitat interpretive center.