38280.  Federal, state, or local authorities having jurisdiction
over public lands may place or cause to be placed and maintained,
such appropriate signs, signals and other traffic control devices as
may be necessary to properly indicate and carry out any provision of
law or any duly adopted regulation of such governmental authority or
to warn or guide traffic.



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.



38286.  The provisions of Article 3 (commencing with Section 38305),
Article 4 (commencing with Section 38312), Article 5 (commencing
with Section 38316), Section 38319 of this chapter, and subdivision
(h) of Section 38370 shall not apply to a motor vehicle being
operated in an organized racing event that is conducted under the
auspices of a recognized sanctioning body or by permit issued by the
governmental authority having jurisdiction.



38300.  It is unlawful for the driver of any vehicle to disobey any
sign, signal, or traffic control device placed or maintained pursuant
to Section 38280.


38301.  It is unlawful to operate a vehicle in violation of special
regulations which have been promulgated by the governmental agency
having jurisdiction over public lands, including, but not limited to,
regulations governing access, routes of travel, plants, wildlife,
wildlife habitat, water resources, and historical sites.




38301.5.  Every person convicted of violating a local ordinance
which is adopted by a city with a population over 2,000,000 persons
pursuant to Section 38301 and which prohibits entry into all or
portions of an area designated by ordinance as a mountain fire
district shall be punished as follows:
   (a) Except as provided in subdivisions (b) and (c), the offense is
an infraction punishable by a fine not exceeding one hundred fifty
dollars ($150).
   (b) For a second offense committed within one year of a prior
violation for which there was a conviction punishable under
subdivision (a), the offense is punishable as an infraction by a fine
not exceeding two hundred fifty dollars ($250).
   (c) (1) For a third or subsequent offense committed within one
year of two or more prior violations for which there were convictions
punishable under this section, the offense is punishable as a
misdemeanor by a fine not exceeding one thousand dollars ($1,000) or
by imprisonment in the county jail not exceeding 90 days, or by both
that fine and imprisonment.  Additionally, the court may order
impoundment of the vehicle used in the offense under the following
conditions:
   (A) The person convicted under this subdivision is the owner of
the vehicle.
   (B) The vehicle is subject to Section 38010.
   (2) The period of impoundment imposed pursuant to this subdivision
shall be not less than one day nor more than 30 days.  The
impoundment shall be at the owner's expense.



38302.  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.