Tucson, AZ Mobility & Curb Rules: E-Bike Classes (2026)
Key Facts
- Class 1/2 cutoff
- 20 mph assisted
- Class 3 cutoff
- 28 mph assisted
- Path speed cap
- 20 mph or posted, whichever lower
- Minimum operator age
- 16 years old
- Minimum fine
- $25.00 civil traffic violation
Summary
Tucson Code § 5-12 sorts electric bicycles into three classes by motor behavior and top assisted speed, and § 5-13 lets all three ride shared and multiuse paths under 20 mph. Riders under 16 cannot operate one, and every e-bike needs a speedometer.
A "Class 1 electric bicycle" is a bicycle or tricycle that is equipped with an electric motor that provides assistance only when the rider is pedaling and that ceases to provide assistance when the bicycle or tricycle reaches the speed of twenty (20) miles per hour. A "Class 2 electric bicycle" ... is not capable of providing assistance when the bicycle or tricycle reaches the speed of twenty (20) miles per hour. A "Class 3 electric bicycle" ... ceases to provide assistance when the bicycle or tricycle reaches the speed of twenty-eight (28) miles per hour. ... Electric bicycles are permitted on bicycle, shared and multiuse paths under the jurisdiction of the City of Tucson, in the same manner as any other bicycle and when operated at posted or regulated speeds, or under twenty (20) miles per hour, whichever is lower.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-150: Current through June 23, 2026).
Full Breakdown
Tucson defines an electric bicycle in City Code § 5-12 as a bicycle or tricycle with fully operable pedals plus an electric motor meeting one of three classes. A Class 1 e-bike assists only while the rider pedals and cuts off at 20 mph. A Class 2 e-bike can propel the bike without pedaling but also stops assisting at 20 mph. A Class 3 e-bike assists only while pedaling but keeps helping up to 28 mph. Under § 5-13, a person riding any class is granted the same rights and duties as a bicycle rider under state and local law, including Chapter 5, Article I.
Electric bicycles are permitted on bicycle, shared and multiuse paths under City of Tucson jurisdiction in the same manner as any other bicycle, but only when operated at posted or regulated speeds, or under 20 mph, whichever is lower -- meaning a Class 3 bike's 28 mph top assist does not apply on those paths. No one under 16 may operate an electric bicycle, though a younger passenger may ride if the bike is designed to carry one. S. R. Part 1512) and must be equipped with a speedometer displaying speed in miles per hour, a requirement unique to e-bikes and not imposed on standard bicycles under Article I. These rules were adopted by Ord. No. 11582 on September 5, 2018.
Violations & Fines
Violating Article III is a civil traffic violation under § 5-14, carrying a mandatory minimum fine of $25.00. Complaints are issued and adjudicated under the Arizona Rules of Court Procedure for Civil Traffic and Civil Boating Violations in Tucson City Court, with appeals going to superior court.
Frequently Asked Questions
Can a Class 3 e-bike go 28 mph on a Tucson multiuse path?
What age can operate an e-bike in Tucson?
Does an e-bike need a speedometer in Tucson?
Sources & Official References
Other rules in Tucson
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