Article 5. Reckless Driving of California Vehicle Code >> Division 16.5. >> Chapter 5. >> Article 5.

(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.

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.

(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.

(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.