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Are side-by-sides street legal in Wyoming?

Wyoming's law on side-by-sides and ATVs on public roads, quoted from its own page, with the conditions, equipment and plate rule.

The law in Wyoming

  • Side-by-side (UTV): Yes, with a plate. Wyoming lets you register a side-by-side for public roads if it meets the state's rules.

    "Multipurpose vehicles may be operated on public streets or highways, subject to the following provisions: Multipurpose vehicles shall not be operated on interstate highways."

  • ATV (quad): Yes, with a plate. Wyoming lets you register an ATV for public roads if it meets the state's rules.

    "Multipurpose vehicles may be operated on public streets or highways, subject to the following provisions: Multipurpose vehicles shall not be operated on interstate highways."

WYDOT: Multipurpose Vehicles and Off-Road Recreational Motorcycles (Dirtbikes), checked November 2026.

Riding a dirt bike? Read Wyoming's dirt bike rule.

Street Legal UTV Check

What do you ride?

Side-by-side (UTV) · Wyoming. Yes, with a plate. Wyoming lets you register a side-by-side for public roads if it meets the state's rules.

Side-by-side (UTV) · Wyoming

Street legal with a plate

Yes, with a plate. Wyoming lets you register a side-by-side for public roads if it meets the state's rules.

"Multipurpose vehicles may be operated on public streets or highways, subject to the following provisions: Multipurpose vehicles shall not be operated on interstate highways."

Conditions

  • "If a multipurpose vehicle is incapable of achieving the maximum speed allowed on the specific highway, it shall be operated on the extreme right hand edge of the roadway and shall be equipped with either a reflectorized flag or a slow moving vehicle emblem."
  • "(iii) Multipurpose vehicles designed for operation at speeds less than twenty-five (25) miles per hour shall be equipped with a slow moving vehicle emblem as described in W.S. 31-5-921(h)."
  • "The manufacturer’s specifications cannot be modified to allow the vehicle to meet the definition of an MPV for the purpose of title and registration."

Registration and plates

"After a certificate of title has been issued by the County Clerk; an applicant for registration of a multipurpose vehicle shall upon receipt of an approved application, payment of proper fees and proof of insurance, obtain one multipurpose vehicle license plate from the County Treasurer."
Required equipment (5)
  • A multipurpose vehicle that is GREATER than 50 inches in width shall be equipped with at least 2 head lamps, with at least 1 on each side of the front of the multipurpose vehicle.
  • A multipurpose vehicle that is 50 inches or LESS in width shall be equipped with at least 1 headlamp.
  • A multipurpose vehicle shall be equipped with a braking system which will stop the vehicle within 40 feet from an initial speed of 20 mph on a level, dry, smooth, or hard surface.
  • A multipurpose vehicle shall be equipped with a horn in good working order and capable of emitting a sound audible under normal conditions from a distance of not less than 200 feet,
  • A multipurpose vehicle shall be equipped with 1 mirror mounted on the left side of the vehicle and so located as to reflect to the driver a view of the highway to the rear of the vehicle.

Driver's license

"A valid drivers’ license and insurance are required to operate multipurpose vehicles on streets, roads, or highways."
More from Wyoming's law
"(M) "Multipurpose vehicle" means a motor vehicle that is designed to travel on at least four (4) wheels in contact with the ground, has an unladen weight of at least three hundred (300) pounds but less than three thousand (3,000) pounds, has a permanent upright seat or saddle for the driver which is mounted at least twenty-four (24) inches from the ground and has an identifying number. "Multipurpose vehicle" includes off-road recreational vehicles,"
"(i) Off-road recreational vehicles may be operated on main-traveled roadways only upon that portion of a public road right-of-way, street, road or highway designated open by the state, local or federal agency with jurisdiction over the roadway and designated a Wyoming off-road recreational vehicle trail"
"Operators over the age of 15 years with a permit or drivers license can ride on roads, routes and trails that are designated for ORV travel, and non-designated roads if the ORV is street legal."

Source: WYDOT: Multipurpose Vehicles and Off-Road Recreational Motorcycles (Dirtbikes), checked November 2026.

Also read on: Wyoming Statutes Title 31 Motor Vehicles · WYDOT: Multipurpose Vehicle FAQ and Information · Wyoming State Parks: ORV Permits and Trails

Find off-road parks to ride without the road questionRiding a dirt bike? Check its road law

A guide to each state's published law, not legal advice. City and county ordinances and posted signs decide which roads are open; the linked law is the authority.

  • Each state's own law, quoted
  • Side-by-side or ATV
  • Conditions, equipment and plates

Riding in Wyoming

21 off-road parks listed in Wyoming. National forest roads open to your vehicle today.

See Wyoming off-road parks

Other states

Side-by-side and ATV road laws in other states

Compare the 49 states we have checked

Common questions

Street legal UTV questions

Yes, with a plate. Wyoming lets you register a side-by-side for public roads if it meets the state's rules. Source: WYDOT: Multipurpose Vehicles and Off-Road Recreational Motorcycles (Dirtbikes).

Yes, with a plate. Wyoming lets you register an ATV for public roads if it meets the state's rules. Source: WYDOT: Multipurpose Vehicles and Off-Road Recreational Motorcycles (Dirtbikes).

Wyoming's law says: "After a certificate of title has been issued by the County Clerk; an applicant for registration of a multipurpose vehicle shall upon receipt of an approved application, payment of proper fees and proof of insurance, obtain one multipurpose vehicle license plate from the County Treasurer."

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