South Dakota Motorcycle Laws - View All States Motorcycle Laws
We have put together a simple list of the primary South Dakota state motorcycle laws to help you when traveling through South Dakota on a motorcycle. These South Dakota motorcycle laws where confirmed accurate as of the time of publishing and are provided to you as a reference only. For South Dakota's complete motorcycle laws, please visit the South Dakota state Motor Vehicle website.

Safety Helmet: Required by law under age 18
Eye Protection: Required by law unless equipped with windscreen
Passenger Age: No Restriction
Helmet Speakers: No Restrictions
Mirrors: One required by law
Headlight: Modulating headlight permitted
Turn Signals: Required by law
Handlebars: Handgrips below shoulder height
Muffler: No acoustical criteria.
Noise Restrictions: No acoustical criteria.
Riding Two Abreast in 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
Lane Splitting: Motorcycle operation between lanes prohibited--Violation as misdemeanor. 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. Source: SL 1970, ch 176, § 1, § 7; SL 1989, ch 255, § 102. 32-20-9.2Motorcycle prohibited from overtaking in same lane--Violation as misdemeanor. 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.
Insurance: Compulsory Liability (Minimum Limits)(25/50/25)

These state motorcycle laws very verified as current at the time they were published on this page. Some laws may have been changed or repealed and new laws may have be added. Check with state and/or local authorities for the most up to date laws and regulations.