It is unlawful for any person to place or erect any sign, signal, or traffic control device for off-highway traffic upon public lands unless authorized by law.
Cal. Veh. Code § 38302
Traffic Signs, Signals, and Markings
Known as the Chappie-Z'berg Off-Highway Motor Vehicle Law
The act spans §§ 38000–38604 (127 sections).
Added by Stats. 1976, Ch. 1093.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.