Arizona Motorized Bicycle Laws

In Arizona a motorized electric or gas powered bicycle or tricycle is defined as a bicycle or tricycle that is equipped with a helper motor that:

• has a maximum piston displacement of 48cc or less,
  
• may also be self-propelled,
• is operated at speeds of less than 20mph.

Providing your motorized bicycle falls under these specifications you can ride it on the roads in Arizona and you may also use rights-of-way designated for the exclusive use of bicycles.

The laws for motorized bicycles in Arizona are as follows:

• A certificate of title is not required for a motorized electric or gas powered bicycle or tricycle in Arizona.
• Registration is not required for a motorized electric or gas powered bicycle or tricycle in Arizona.
• Vehicle license tax is not imposed on a motorized electric or gas powered bicycle or tricycle in Arizona.
• A driver license is not required to operate a motorized electric or gas powered bicycle or tricycle in Arizona.

In the state of Arizona, a local authority may adopt an ordinance that regulates or prohibits the operation of motorized electric or gas powered bicycles or tricycles.

Reference: https://www.azleg.gov/ars/28/02516.htm