California Code
ARTICLE 1 - Traffic Signs, Signals, and Markings
Section 38285.

38285. Only those signs, signals, markings, or devices that conform to the uniform standards and specifications adopted by the Department of Parks and Recreation, with the approval of the Off-Highway Motor Vehicle Recreation Commission, shall be placed as provided in Section 38280.

Special signs, signals, markings, or devices may be used on a temporary basis for purposes of directing traffic on and at sanctioned events conducted on public lands with permission of the agency having administrative jurisdiction over such lands.

(Amended by Stats. 1984, Ch. 729, Sec. 1.)