State Law References: Traffic regulations applicable to bicycles , A.R.S. §§ 28-811--28-817; municipal authority to regulate bicycles , A.R.S. § 28-627(A)(8).

28-811. Parent and guardian responsibility; applicability of article

A. The parent of a child and the guardian of a ward shall not authorize or knowingly permit the child or ward to violate this chapter.

B. Except as otherwise provided in this article, this chapter applies to a bicycle when it is operated on a highway or on a path set aside for the exclusive use of bicycles.

28-812. Applicability of traffic laws to bicycle riders

A person riding a bicycle on a roadway or on a shoulder adjoining a roadway is granted all of the rights and is subject to all of the duties applicable to the driver of a vehicle by this chapter and chapters 4 and 5 of this title, except special rules in this article and except provisions of this chapter and chapters 4 and 5 of this title that by their nature can have no application.

28-813. Riding on bicycles

A. A person propelling a bicycle shall not ride other than on or astride a permanent and regular seat attached to the bicycle.

B. A person shall not use a bicycle to carry more persons at one time than the number for which it is designed and equipped.

28-814. Clinging to vehicle

A person riding on a bicycle, coaster, sled or toy vehicle or on roller skates shall not attach the bicycle, coaster, sled, toy vehicle or roller skates or that person to a vehicle on a roadway.

28-815. Riding on roadway and bicycle path; bicycle path usage

A. A person riding a bicycle on a roadway at less than the normal speed of traffic at the time and place and under the conditions then existing shall ride as close as practicable to the right-hand curb or edge of the roadway, except under any of the following situations:

1. If overtaking and passing another bicycle or vehicle proceeding in the same direction.

2. If preparing for a left turn at an intersection or into a private road or driveway.

3. If reasonably necessary to avoid conditions, including fixed or moving objects, parked or moving vehicles, bicycles, pedestrians, animals or surface hazards.

4. If the lane in which the person is operating the bicycle is too narrow for a bicycle and a vehicle to travel safely side by side within the lane.

B. Persons riding bicycles on a roadway shall not ride more than two abreast except on paths or parts of roadways set aside for the exclusive use of bicycles.

C. A path or lane that is designated as a bicycle path or lane by state or local authorities is for the exclusive use of bicycles even though other uses are permitted pursuant to subsection D or are otherwise permitted by state or local authorities.

D. A person shall not operate, stop, park or leave standing a vehicle in a path or lane designated as a bicycle path or lane by a state or local authority except in the case of emergency or for crossing the path or lane to gain access to a public or private road or driveway.

E. Subsection D does not prohibit the use of the path or lane by the appropriate local authority.

28-816. Carrying article on bicycle

A person shall not carry a package, bundle or article while operating a bicycle if the package, bundle or article prevents the driver from keeping at least one hand on the handlebars.

28-817. Bicycle equipment

A. A bicycle that is used at nighttime shall have a lamp on the front that emits a white light visible from a distance of at least five hundred feet to the front and a red reflector on the rear of a type that is approved by the department and that is visible from all distances from fifty feet to three hundred feet to the rear when the reflector is directly in front of lawful upper beams of head lamps on a motor vehicle. A bicycle may have a lamp that emits a red light visible from a distance of five hundred feet to the rear in addition to the red reflector.

B. A person shall not operate a bicycle that is equipped with a siren or whistle.

C. A bicycle shall be equipped with a brake that enables the operator to make the braked wheels skid on dry, level, clean pavement.

28-818. Bicycle safety fund (YAY!!) ***

A. A bicycle safety fund is established. The department shall administer the fund. The fund consists of monies received from:

1. The federal government or any agency of the federal government for any purpose authorized by this section.

2. Donations.

3. This state or any agency of this state for any purpose authorized by this section.

B. The department:

1. May designate monies deposited in the bicycle safety fund for use only for specified purposes consistent with this section and only for use in specified political subdivisions of this state.

2. Shall spend monies contributed by a political subdivision to the bicycle safety fund and any donation to the fund designated for use in a political subdivision and any matching monies deposited in the fund as a result of the contribution or donation only for use in the political subdivision.

3. Shall only spend monies from the bicycle safety fund as follows:

(a) For planning, engineering, constructing and maintaining bicycle paths and bicycle lanes.

(b) As matching monies to be used with federal or local monies spent for planning, engineering, constructing or maintaining bicycle paths and bicycle lanes.

(c) As matching monies to be used with federal or local monies spent for planning and implementing safety programs.

C. Monies in the bicycle safety fund are exempt from the provisions of section 35-190 relating to lapsing of appropriations. The department may spend monies in the fund for purposes authorized by this section subject to legislative appropriation.

28-2516. Motorized electric or gas powered bicycles or tricycles; definition

A. Notwithstanding any other provision of this title:

1. A certificate of title is not required for a motorized electric or gas powered bicycle or tricycle.

2. Registration is not required for a motorized electric or gas powered bicycle or tricycle.

3. Vehicle license tax is not imposed on a motorized electric or gas powered bicycle or tricycle.

4. A motorized electric or gas powered bicycle or tricycle is exempt from the provisions of section 28-964 relating to required equipment on motorcycles and motor-driven cycles and from the provisions of title 49, chapter 3, article 5 relating to vehicle emissions inspections.

5. A driver license is not required to operate a motorized electric or gas powered bicycle or tricycle.

6. A motorized electric or gas powered bicycle or tricycle may use rights-of-way designated for the exclusive use of bicycles.

7. A motorized electric or gas powered bicycle or tricycle is not subject to chapter 9 of this title.

B. This section does not prohibit a local authority from adopting an ordinance that regulates or prohibits the operation of motorized electric or gas powered bicycles or tricycles, except that a local authority shall not adopt an ordinance that requires registration and licensing of motorized electric or gas powered bicycles or tricycles.

C. For the purposes of this section, "motorized electric or gas powered bicycle or tricycle" means a bicycle or tricycle that is equipped with a helper motor that has a maximum piston displacement of forty-eight cubic centimeters or less, that may also be self-propelled and that is operated at speeds of less than twenty miles per hour.

28-735. Overtaking bicycles; civil penalties (3-Feet Law) 

A. When overtaking and passing a bicycle proceeding in the same direction, a person driving a motor vehicle shall exercise due care by leaving a safe distance between the motor vehicle and the bicycle of not less than three feet until the motor vehicle is safely past the overtaken bicycle.

B. If a person violates this section and the violation results in a collision causing:

1. Serious physical injury as defined in section 13-105 to another person, the violator is subject to a civil penalty of up to five hundred dollars.

2. Death to another person, the violator is subject to a civil penalty of up to one thousand dollars.

C. Subsection B of this section does not apply to a bicyclist who is injured in a vehicular traffic lane when a designated bicycle lane or path is present and passable.