109 “Alcoholic beverage” includes any liquid or solid material intended to be ingested by a person which contains ethanol, also known as ethyl alcohol, drinking alcohol, or alcohol, including, but not limited to, alcoholic beverages as defined in Section 23004 of the Business and Professions Code, intoxicating liquor, malt beverage, beer, wine, spirits, liqueur, whiskey, rum, vodka, cordials, gin, and brandy, and any mixture containing one or more alcoholic beverages. Alcoholic beverage includes a mixture of one or more alcoholic beverages whether found or ingested separately or as a mixture.
110 “Alley” is any highway having a roadway not exceeding 25 feet in width which is primarily used for access to the rear or side entrances of abutting property; provided, that the City and County of San Francisco may designate by ordinance or resolution as an “alley” any highway having a roadway not exceeding 25 feet in width.
111 (a) “All-terrain vehicle” means a motor vehicle subject to subdivision (a) of Section 38010 that is all of the following:
(1) Designed for operation off of the highway by an operator with no more than one passenger.
(2) Fifty inches or less in width.
(3) Nine hundred pounds or less unladen weight.
(4) Suspended on three or more low-pressure tires.
(5) Has a single seat designed to be straddled by the operator, or a single seat designed to be straddled by the operator and a seat for no more than one passenger.
(6) Has handlebars for steering control.
(b) Notwithstanding subdivision (a), for purposes of Chapter 6 (commencing with Section 3000) of Division 2 and Chapter 4 (commencing with Section 11700) of Division 5, “all-terrain vehicle” also means a recreational off-highway vehicle as defined in Section 500 and a utility-terrain vehicle as defined in Section 531.
112 “Amber” has the same meaning as “yellow,” and is within the chromaticity coordinate boundaries for yellow specified in regulations adopted by the Department of the California Highway Patrol.
113 An “armored car” is a vehicle that is equipped with materials on either the front, sides, or rear for the protection of persons therein from missiles discharged from firearms.
114 An authorized emergency vehicle is:
(a) Any publicly owned and operated ambulance, lifeguard, or lifesaving equipment or any privately owned or operated ambulance licensed by the Commissioner of the California Highway Patrol to operate in response to emergency calls.
(b) Any publicly owned vehicle operated by the following persons, agencies, or organizations:
(1) Any federal, state, or local agency, department, or district employing peace officers as that term is defined in Chapter 4.5 (commencing with Section 830) of Part 2 of Title 3 of the Penal Code, for use by those officers in the performance of their duties.
(2) Any forestry or fire department of any public agency or fire department organized as provided in the Health and Safety Code.
(c) Any vehicle owned by the state, or any bridge and highway district, and equipped and used either for fighting fires, or towing or servicing other vehicles, caring for injured persons, or repairing damaged lighting or electrical equipment.
(d) Any state-owned vehicle used in responding to emergency fire, rescue, or communications calls and operated either by the Office of Emergency Services or by any public agency or industrial fire department to which the Office of Emergency Services has assigned the vehicle.
(e) Any vehicle owned or operated by any department or agency of the United States government when the vehicle is used in responding to emergency fire, ambulance, or lifesaving calls or is actively engaged in law enforcement work.
(f) Any vehicle for which an authorized emergency vehicle permit has been issued by the Commissioner of the California Highway Patrol.
231 A bicycle is a device upon which any person may ride, propelled exclusively by human power through a belt, chain, or gears, and having one or more wheels. Persons riding bicycles are subject to the provisions of this code specified in Sections 21200 and 21200.5.
280 “Darkness” is any time from one-half hour after sunset to one-half hour before sunrise and any other time when visibility is not sufficient to render clearly discernible any person or vehicle on the highway at a distance of 1,000 feet.
360 “Highway” is a way or place of whatever nature, publicly maintained and open to the use of the public for purposes of vehicular travel. Highway includes street.
400 (a) A “motorcycle” is a motor vehicle having a seat or saddle for the use of the rider, designed to travel on not more than three wheels in contact with the ground.
(b) A motor vehicle that has four wheels in contact with the ground, two of which are a functional part of a sidecar, is a motorcycle if the vehicle otherwise comes within the definition of subdivision (a).
(c) A farm tractor is not a motorcycle.
(d) A three-wheeled motor vehicle that otherwise meets the requirements of subdivision (a), has a partially or completely enclosed seating area for the driver and passenger, is used by local public agencies for the enforcement of parking control provisions, and is operated at slow speeds on public streets, is not a motorcycle. However, a motor vehicle described in this subdivision shall comply with the applicable sections of this code imposing equipment installation requirements on motorcycles.
415 (a) A “motor vehicle” is a vehicle that is self-propelled.
(b) “Motor vehicle” does not include a self-propelled wheelchair, motorized tricycle, or motorized quadricycle, if operated by a person who, by reason of physical disability, is otherwise unable to move about as a pedestrian.
(c) For purposes of Chapter 6 (commencing with Section 3000) of Division 2, “motor vehicle” includes a recreational vehicle as that term is defined in subdivision (a) of Section 18010 of the Health and Safety Code, but does not include a truck camper.