2009 California Vehicle Code - Section 38316-38318.5 :: Article 5. Reckless Driving

38316.  (a) It is unlawful for any person to drive any off-highway
motor vehicle with a willful and wanton disregard for the safety of
other persons or property.
   (b) Any person who violates this section shall, upon conviction
thereof, be punished by imprisonment in the county jail for not less
than five days nor more than 90 days or by fine of not less than
fifty dollars ($50) nor more than five hundred dollars ($500) or by
both such fine and imprisonment, except as provided in Section 38317.

38317.  Whenever reckless driving of an off-highway motor vehicle
proximately causes bodily injury to any person, the person driving
the vehicle shall, upon conviction thereof, be punished by
imprisonment in the county jail for not less than 30 days nor more
than six months or by fine of not less than one hundred dollars
($100) nor more than one thousand dollars ($1,000) or by both such
fine and imprisonment.

38318.  (a) Any person who throws any substance at an off-highway
motor vehicle or occupant thereof is guilty of a misdemeanor and
shall be punished pursuant to Section 42002 by a fine of not more
than one thousand dollars ($1,000) or by imprisonment in the county
jail for not more than six months, or by both the fine and
imprisonment.
   (b) Any person who, with intent to do great bodily injury,
maliciously and willfully throws or projects any rock, brick, bottle,
metal, or other missile, projects any other substance capable of
doing serious bodily harm, or discharges a firearm at an off-highway
motor vehicle or occupant thereof is guilty of a felony.

38318.5.  (a) Any person who maliciously removes or alters trail,
danger, or directional markers or signs provided for the safety or
guidance of off-highway motor vehicles is guilty of a misdemeanor and
shall be punished pursuant to Section 42002 by a fine of not more
than one thousand dollars ($1,000) or by imprisonment in the county
jail for not more than six months, or by both the fine and
imprisonment.
   (b) Any person who, with intent to do great bodily injury (1)
proximately causes great bodily injury to any person as a result of
acts prohibited by subdivision (a), or (2) erects or places any
cable, chain, rope, fishing line, or other similar material which is
unmarked or intentionally placed, or both, for malicious purpose is
guilty of a felony.
   (c) Any person convicted under subdivision (a) or (b) shall, if
the violation proximately causes one or more adverse environmental
impacts, also be liable in civil damages for the cost of mitigation,
restoration, or repair thereof, in addition to any other liability
imposed by law.