Cal. Mil. & Vet. Code § 1653

Any individual, partnership, association, corporation, municipal corporation, or the State or any of its political subdivisions engaged in or preparing to engage in defense preparation, who has property so used which he believes will be endangered if public use and travel is not restricted or prohibited on any abutting highway, may petition the highway commissioners of any city or county to close or to restrict the use of and travel upon any part of the abutting highway lying within 150 feet of such property.