Bicycle Defined

39000. "Bicycle," for the purposes of this division, means any device upon which a person may ride, which is propelled by human power through a system of belts, chains, or gears having either two or three wheels (one of which is at least 20 inches in diameter) or having a frame size of at least 14 inches, or having four or more wheels.

Licensing:

License Requirement

39002. (a) A city or county, which adopts a bicycle licensing ordinance or resolution, may provide in the ordinance or resolution that no resident shall operate any bicycle, as specified in the ordinanace, on any street, road, highway, or other public property within the jurisdiction of the city or county, as the case may be, unless the bicycle is licensed in accordance with this division.

At the time of this writing, both Berkeley and Oakland require bicycle licenses. San Francisco does not.

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The Double-Edged Sword:

Laws Applicable to Bicycle use:

21200. (a) Every person riding a bicycle upon a highway has all the rights and is subject to all the provisions applicable to the driver of a vehicle by this division, including, but not limited to, provisions concerning driving under the influence of alchoholic beverages or drugs, and by Division 10 (commencing with Section 20000), Section 27400, Division 16.7 (commencing with Section 39000), Division 17 (commencing with Section 40000.1), and Division 18 (commencing with Section 42000), except those provisions which by their very nature can have no application.

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Do Not Drink and Ride:

Riding Bicycle Under Influence of Alcohol or Drugs

21200.5. Notwithstanding Section 21200, it is unlawful for any person to ride a bicycle upon a highway while under the influence of an alcoholic beverage or any drug, or under the combined influence of an alcoholic beverage and any drug. Any person arrested for a violation of this section may request to have a chemical test made of the person's blood, breath, or urine for the purpose of determining the alcoholic or drug content of that person's blood, and if so requested, the arresting officer shall have the test performed. A conviction of a violation of this section shall be punished by a fine of not more than two hundred fifty dollars ($250). Violations of this section are subject to Section 13202.5.

Getting arrested DUI or DWI on a bike is the same as if you were driving a car.

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Brakes, Bars, Giants, Lights and Reflectors:

Equipment Requirements

21201. (a) No person shall operate a bicycle on a roadway unless it is equipped with a brake which will enable the operator to make one braked wheel skid on dry, level, clean pavement.

What might this mean for all of the fixed-gear cyclists out there?

21201. (b) No person shall operate on the highway any bicycle equipped with handlebars so raised that the operator must elevate his hands above the level of his shoulders in order to grasp the normal steering grip area. 21201. (c) No person shall operate upon any highway a bicycle which is of such a size as to prevent the operator from safely stopping the bicycle, supporting it in an upright position with at least one foot on the ground, and restarting it in a safe manner. 21201. (d) Every bicycle operated upon any highway during darkness shall be equipped (1) with a lamp emitting a white light which, while that bicycle is in motion, illuminates the highway in front of the bicyclist and is visible from a distance of 300 feet in front and from the sides of the bicycle; (2) with a red reflector on the rear which shall be visible from a distance of 500 feet to the rear when directly in front of the lawful upper beams of headlamps on a motor vehicle; (3) with a white or yellow reflector on each pedal visible from the front and rear of the bicycle from a distance of 200 feet; and (4) with a white or yellow reflector on each side forward of the center of the bicycle, and with a white or red reflector on each side to the rear of the center of the bicycle, except that bicycles which are equipped with reflectorized tires on the front and the rear need not be equipped with these side reflectors. Such reflectors and reflectorized tires shall be of a type meeting requirements established by the department. 21201. (e) A lamp or lamp combination, emitting a white light, attached to the operator and visible from a distance of 300 feet in front and from the sides of the bicycle, may be used in lieu of the lamp required by clause (1) of subdivision (d). 21201.5 (a) No person shall sell, or offer for sale, a reflex reflector or reflectorized tire of a type required on a bicycle unless it meets requirements established by the department. If there exists a federal Consumer Product Safety Commission regulation applicable to bicycle reflectors, the provisions of that regulation shall prevail over provisions of this code or requirements established by the department pursuant to this code relative to bicycle reflectors. 21201.5 (b) No person shall sell, or offer for sale, a new bicycle that is not equipped with a red reflector on the rear, a white or yellow reflector on each pedal visible from the front and rear of the bicycle, a white or yellow reflector on each side forward of the center of the bicycle, and a white or red reflector on each side to the rear of the center of the bicycle, except that bicycles which are equipped with reflectorized tires on the front and rear need not be equipped with these side reflectors. 21201.5 (c) Area reflectorizing material meeting the requirements of Section 25500 may be used on a bicycle.

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Where May We Ride Our Bicycles...?

Operation on Roadway

21202 (a) Any person operating a bicycle upon a roadway at a speed less than the normal speed of traffic moving in the same direction at such time shall ride as close as practicable to the right-hand curb or edge of the roadway except under any of the following situations:

When overtaking and passing another bicycle or vehicle proceeding in the same direction.
When preparing for a left turn at an intersection or into a private road or driveway.
When reasonably necessary to avoid conditions (including, but not limited to, fixed or moving objects, vehicles, bicycles, pedestrians, animals, surface hazards, or substandard width lanes) that make it unsafe to continue along the right-hand curb or edge, subject to the provisions of Section 21656. For purposes or this section, a "substandard width lane" is a lane that is too narrow for a bicycle and a vehicle to travel safely side by side within the lane.

That makes just about any lane substandard.

21202. (b) Any person operating a bicycle upon a roadway of a highway, which highway carries traffic in one direction only and has two or more marked traffic lanes, may ride as near the left-hand curb or edge of such roadway as practicable.

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...And How?

Hitching Rides

21203. No person operating a bicycle upon any motorcycle, motorized bicycle, bicycle, coaster, roller skates, sled, or toy vehicle shall attach the same or himself (sic) to any streetcar or vehicle on the roadway.

If anyone knows what a "coaster" is please let us know.

Riding on Bicycle

21204. (a) No person operating a bicycle upon a highway shall ride other than upon or astride a permanent and regular seat attached thereto. 21204. (b) No operator shall allow a person riding as a passenger, and no person shall ride as a passenger, on a bicycle upon a highway other than upon or astride a separate seat attached thereto. If the passenger is four years of age or younger, or weighs 40 pounds or less, the seat shall have adequate provision for retaining the passenger in place and for protecting the passenger from the moving parts of the bicycle.

Carrying Articles

21205. No person operating a bicycle shall carry any package, bundle or article which prevents the operator from keeping at least one hand upon the handlebars.

Local Regulation

21206. This chapter does not prevent local authorities, by ordinance, from regulating the registration of bicycles and the parking and operation of bicycles on pedestrian or bicycle facilities, provided such regulation is not in conflict with the provisions of this code.

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Bicycle Lane Stuff:

Bicycle Lanes

21207. (a) This chapter does not prohibit local authorities from establishing, by ordinance or resolution, bicycle lanes separated from any vehicular lanes upon highways, other than state highways as defined in Section 24 of the Streets and Highways Code and county highways established pursuant to Article 5 (commencing with Section 1720) of Chapter 9 of Division 2 of the Streets and Highways Code.

yawn. No wonder we never read this stuff.

Permitted Movements from Bicycle Lanes

21208. (a) Whenever a bicycle lane has been established on a roadway pursuant to Section 21207, any person operating a bicycle upon the roadway at a speed less than the normal speed of traffic moving in the same direction shall ride within the bicycle lane, except that such person may move out of the lane under any of the following situations:

When overtaking and passing another bicycle, vehicle, or pedestrian within the lane or about to enter the lane if such overtaking and passing cannot be done safely within the lane.
When preparing for a left turn at an intersection or into a private road or driveway.
When reasonably necessary to leave the bicycle lane to avoid debris or other hazardous conditions.

21208. (b) No person operating a bicycle shall leave a bicycle lane until the movement can be made with reasonable safety and then only after giving an appropriate signal in the manner provided in Chapter 6 (commencing with Section 22100) in the event that any vehicle may be affected by the movement.

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Don't Block the Sidewalk:

Bicycle Parking

21210. (b) No person operating a bicycle shall leave a bicycle lying on its side on any sidewalk, or shall park a bicycle on a sidewalk in any other position, so that there is not an adequate path for pedestrian traffic. Local authorities may, by ordinance or resolution, prohibit bicycle parking in designated areas of the public highway, provided that appropriate signs are erected.

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The Helmet Law:

Youth Bicycle Helmets: Minors

21212. (a) A person under 18 years of age shall not operate a bicycle, or ride upon a bicycle as a passenger, upon a street, bikeway, as defined in subdivision (a) of Section 2373 of the Streets and Highways Code. or any other public bicycle path or trail unless that person is wearing a properly fitted and fastened bicycle helmet that meets the standards of the American National Standards Institute (ANSI Z 90.4 bicycle helmet standard) or the Snell Memorial Foundations Standard for Protective Headgear for Use in Bicycling. 21212. (b) Any helmet sold or offered for sale for use by operators and passengers of bicycles shall be conspicuously labeled in accordance with the standard described in subdivision (a) which shall constitute the manufacturer's certification that the helmet conforms to the applicable safety standards. 21212. (c) No person shall sell, or offer for sale, for use by an operator or passenger of a bicycle any safety helmet which is not of a type meeting requirements established by this section.

21212. (d)

A person who violates a requirement of this section in 1994 shall be warned of the violation by the enforcing official, but shall not be issued a notice to appear.
Any charge under this subdivision shall be dismissed when the person charged alleges in court, under oath, that the charge against the person is the first charge against that person under this subdivision, unless it is otherwise established in court that the charge is not the first charge against the person.

21212. (e) Except as provided in subdivision (d), a violation of this section is on infraction punishable by a fine of not more than twenty-five dollars.
The parent or legal guardian having control or custody of an unemancipated minor whose conduct violates this section shall be jointly and severally liable with the minor for the amount of the fine imposed pursuant to this subdivision.

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When Cars are Nice:

Overtake and Pass to Left

21750. The driver of a vehicle overtaking another vehicle proceeding the same direction shall pass to the left at a safe distance without interfering with the safe operation of the overtaken vehicle, subject to the limitations and exceptions hereinafter stated.

Opening and Closing Doors

22517. No person shall open the door of a vehicle on the side available to moving traffic unless it is reasonably safe to do so and can be done without interfering with the movement of such traffic, nor shall any person leave a door open upon the side of a vehicle available to moving traffic for a period of time longer than necessary to load or unload passengers.

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Wearing a Headset:

27400. No person operating any motor vehicle or bicycle shall wear any headset covering, or any earplugs in, both ears. The prohibition of this section does not apply to any of the following:

Persons operating authorized emergency vehicles, as defined in Section 165.
Any person engaged in the operation of refuse collection equipment who is wearing a safety headset or safety earplugs.
Any person wearing personal hearing protectors in the form of custom earplugs or molds that are designed to attenuate injurious noise levels. The custom plugs or molds shall be designed in a manner so as to not inhibit the wearer's ability to hear a siren or horn from an emergency vehicle or a horn from another motor vehicle.