California Code, Vehicle Code - VEH § 592

“Highway”, for the purposes of Division 3 (commencing with Section 4000), Division 12 (commencing with Section 24000), Division 13 (commencing with Section 29000), Division 14.8 (commencing with Section 34500), and Division 15 (commencing with Section 35000), does not include a way or place under the jurisdiction of a federal governmental agency, which lies on national forest or private lands, is open to public use, and for which the cost of maintenance of such way or place is borne or contributed to directly by any users thereof.