Utah

How the law defines it: Three-class system plus programmable e-bikes that switch between classes. Bicycle with motor up to 750 W, working pedals, original cranks, rideable without the motor. Class 1: pedal-assist to 20 mph. Class 2: throttle, to 20 mph. Class 3: pedal-assist to 28 mph with speedometer. Not a motor vehicle; bicycle rules apply.

Helmet

Not addressed in statute.

Minimum age

8 with the motor on. Under 14 only under direct parent/guardian supervision. Class 3: 16.

Speed limit or cap

20 mph motor assist (Class 1 and 2), 28 mph (Class 3)

Motor power cap

750 W

License, registration, insurance

Not a motor vehicle; statute sets no license or registration.

Also worth knowing

Anything sold with fewer than four wheels that can exceed 20 mph on motor power, has over 750 W, or has foot pegs is not an e-bike; sellers must disclose this. A tampered e-bike capable of over 20 mph on motor alone is a 'high power electric device'. From May 5, 2027 the age rules change: riders 8-15 may ride on highways with adult supervision or a personal electric vehicle safety certificate; 16+ unsupervised.

How the law defines it: "Motor assisted scooter": at least two wheels, brakes, electric motor up to 2,000 W, handlebars with a standing deck or a seat, can be moved by human power alone, top speed 20 mph. Not a motor vehicle; bicycle rules apply.

Helmet

Not addressed in statute.

Minimum age

8 with the motor running on public property, roads, paths or sidewalks.

Speed limit or cap

15 mph riding speed; device max 20 mph

Motor power cap

2,000 W

License, registration, insurance

No driver license required.

Also worth knowing

Scooters may not be modified from the manufacturer's design (except rental companies lowering top speed). With the motor off, a scooter counts as a nonmotorized vehicle unless posted or local ordinance says otherwise. Local rules must be consistent with bicycle rules.

How the law defines it: "Self-balancing electric skateboard": a one-wheel, skateboard-like electric device ridden facing sideways, not capable of more than 20 mph on motor power (Onewheel-style). Bicycle rules apply. Four-wheel electric skateboards are not defined.

Helmet

Not addressed in statute.

Minimum age

None in statute.

Speed limit or cap

20 mph (device design limit)

Motor power cap

None in statute

License, registration, insurance

No driver license required; lights, horn and mirror rules for motor vehicles do not apply.

Also worth knowing

Added in 2025 (Chapter 452). May cross roads in crosswalks if not ridden negligently. Conventional four-wheel electric skateboards are not covered by this definition.

How the law defines it: "Electric unicycle": a self-balancing, single-wheel electric device ridden facing forward, stabilized by gyroscopes and accelerometers. Bicycle rules apply.

Helmet

Not addressed in statute.

Minimum age

None in statute.

Speed limit or cap

28 mph riding speed

Motor power cap

None in statute

License, registration, insurance

No driver license required; lights, horn and mirror rules for motor vehicles do not apply.

Also worth knowing

Added in 2025 (Chapter 452). May not be modified from the manufacturer's design (except rental companies lowering top speed). May cross roads in crosswalks if not ridden negligently.