Motorcycle Laws

Break rules in life — not on the road

Rides are born to be wild. But don’t take your outlaw status too far. South Dakota’s motorcycle and helmet laws are designed to protect bikers. So you can live to ride another day.

Two motorcyclists riding Boots, gloves and helmet

Know where you’re going before you get there. Use our interactive map to scout different South Dakota motorcycle routes and their difficulty.

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Road Laws

Minimum Operator Age

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Safety Helmet

Required by law under age 18; helmet must be an approved US DOT helmet. A person riding in an enclosed cab attached to a motorcycle does not have to wear a safety helmet.

Eye Protection

Required by law unless equipped with windscreen of sufficient height and design that protects the motorcycle operator. When headlights are required to be on, a motorcycle operator cannot wear protective eye devices that are tinted or shaded to reduce the light transmission of the device below 35%.

Headlamp

Must be equipped with at least one, but no more than two.

Tail Lamp

Must have at least one which, when lighted emits a red light visible for a distance of 500 feet.

Passenger Seat

Required if carrying passenger.

Passenger Footrest

Required if carrying passenger.

Passenger Age Restriction

No.

Helmet Speakers

No restrictions.

Handlebars

No restrictions.

Mirrors

One left and one right required by law.

Radar Detector

No restrictions.

Turn Signals

Required by law.

Muffler

Must at all times be equipped with a muffler in good working order and in constant operation to prevent excessive or unusual noise.

Maximum Sound Level

No acoustical criteria.

Insurance Requirement

Compulsory liability (minimum limits 25/50/25).

Periodic Safety Inspection

None.

Rider Education Certificate

Driver test only: road test, written test.

Accept Motorcycle

Yes.

Motorcycles Operating Two Abreast in Same Lane

No person may operate a motorcycle more than two abreast in a single lane. A violation of this section is a class 2 misdemeanor. 32-20-9.5

Lane Splitting

No person may operate a motorcycle between adjacent lanes of traffic, or between adjacent lines or rows of vehicles. A violation of this section is a Class 2 misdemeanor. 32-20-9.3 The operator of a motorcycle may not overtake and pass in the same lane occupied by the vehicle being overtaken. This section does not apply to motorcycles being operated two abreast in the same lane or a motorcycle and a bicycle being operated two abreast in the same lane. A violation of this section is a Class 2 misdemeanor. 32-20-9.2

Man on motorcycle

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Man on motorcycle

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Man on motorcycle

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Black boots

Boots

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Black leather jacket

Boots

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Black gloves

Boots

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35% of bikers involved in fatal crashes in 2022 were riding withOUT a valid motorcycle license.

Source: https://www.nhtsa.gov/road-safety/motorcycles

Defensive riding

  • Give yourself extra distance and time to react.


  • Signal in advance, and incorporate arm turn signals.


  • Avoid speeding, weaving between lanes or making sudden maneuvers motorists can’t predict.


  • Don’t pass on blind corners or where visibility is limited.


  • If you’re new to an area, review riding maps before you do.


  • Constantly scan the road for wildlife and other hazards — deer come out of nowhere.


  • Know how to handle you bike in varying conditions including wind, rain, snow, fog, gravel/sand, work zones or other uneven surfaces.

Other Motorists

  • Remember that motorists have trouble seeing motorcycles; always assume you’re invisibly on the road.


  • Be award of car and truck blind spots, and don’t ride in them.

  • If you think a motorist might not see you, beep up and use your horn.

  • Ride in the part of the lane where you’re the most visible. Avoid the center of the lane.

  • Make sure your headlight is on day and night, and use reflective strips on clothing.

  • Flashing your brake light to warn motorists before slowing down and stopping.

  • A large percentage of motorcycle crashes happen at interchanges. Watch for turning vehicles, especially those turning left.

Sturgis SD Street mural

With Passengers

  • Make sure passengers are educated on riding and wearing the right safety gear.


  • A passenger’s extra weight changes how your bike reacts. Adjust for extra stopping time, avoid excessive speed and use more finesse when accelerating.


  • Passengers should hold on tight and avoid making any sudden movements.


  • Ask your passenger to stay sitting straight when turning, simply look over your shoulder in the direction of the turn instead of leaning.


  • If you’re riding in a group, avoid lane sharing and use a staggered formation to give your bike space.

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Man on motorcycle

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Man on motorcycle

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Man on motorcycle

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Man on motorcycle

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Man on motorcycle

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Man on motorcycle

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Three motorcyclists

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  • Give yourself extra distance and time to react.


  • Signal in advance, and incorporate arm turn signals.


  • Avoid speeding, weaving between lanes or making sudden maneuvers motorists can’t predict.


  • Don’t pass on blind corners or where visibility is limited.


  • If you’re new to an area, review riding maps before you do.


  • Constantly scan the road for wildlife and other hazards — deer come out of nowhere.


  • Know how to handle you bike in varying conditions including wind, rain, snow, fog, gravel/sand, work zones or other uneven surfaces.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Sturgis SD Street mural

Sturgis

Get Rally Ready

Every year, thousands of motorcycle riders and fans flock to Sturgis for one heck of a great time.

Between the parties, concerts and events, there are ample opportunities for scenic rides and sightseeing. Before you go get to know the roads with our interactive motorcycle map. Trust us, it’ll help you navigate the Black Hills’ hairpin curves like a seasoned pro. You can also view the state’s more popular rides to plan your route here.

Learn More

Safety Gear

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Motorcycle Training

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In the Know

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