What driver fitness rules are on the South Dakota permit test?

South Dakota's driver fitness questions come from its own statutes and the South Dakota Driver Licensing handbook. QuizLane covers 2 South Dakota-specific driver fitness items, drawn from 2 distinct source sections, alongside 10 questions on rules that apply in every state.

How many driver fitness questions are on the South Dakota permit test?

South Dakota Driver Licensing does not publish a per-topic breakdown. The test as a whole has 25 questions and you need 20 correct (80%) to pass, so driver fitness is worth studying alongside every other topic rather than in isolation.

Are these official South Dakota DMV driver fitness questions?

No. These are original study questions written against South Dakota law and the official handbook, each carrying the section it came from. They are not endorsed by South Dakota Driver Licensing and are not copies of the real exam.

Do I need an account to practice South Dakota driver fitness questions?

No. Practice starts immediately as a guest. An account is optional and only saves your attempt history across devices.

In South Dakota, drivers under 21 can be arrested for alcohol impairment at a BAC of:

Any measurable amount only with no numeric threshold

For South Dakota drivers, a BAC of which level is evidence of driving under the influence?

0.08% or more (0.02% if under 21)

SDDriver fitness

South Dakota driver fitness practice questions

2 questions below test South Dakota’s own driver fitness law, each with the statute or South Dakota Driver Licensing handbook section it came from, plus 10 more on driver fitness rules that apply in every state.

The South Dakota permit knowledge test has 25 questions in total and needs 20 correct (80%) to pass.

Practice driver fitness All South Dakota topics

South Dakota law

2 questions on South Dakota’s own driver fitness rules

These differ from the rules that hold nationally — they are the ones that catch out drivers who studied another state’s handbook.

1. In South Dakota, drivers under 21 can be arrested for alcohol impairment at a BAC of:
- 0.02%
- B0.05%
- CAny measurable amount only with no numeric threshold
- D0.08% only
Answer: 0.02%. The South Dakota Driver License Manual states that if you are under 21, you can also be arrested for alcohol impairment at 0.02%, and describes Zero Tolerance for under-21 drivers at 0.02% to 0.08% BAC.
Source: South Dakota Driver License Manual — Alcohol and the Law / Zero Tolerance
2. For South Dakota drivers, a BAC of which level is evidence of driving under the influence?
- A0.05% or more
- 0.08% or more (0.02% if under 21)
- C0.10% or more
- D0.04% or more
Answer: 0.08% or more (0.02% if under 21). The South Dakota Driver License Manual states a Blood Alcohol Concentration of 0.08% (0.02% if under 21 years of age) or more is evidence that you were driving under the influence of alcohol.
Source: South Dakota Driver License Manual — Alcohol and the Law

Sources for the South Dakota items above

Applies everywhere

Driver fitness rules that hold in every state

A sample of the national driver fitness bank. All 10 are in the practice run, combined with the South Dakota items above for 12 questions in total.

1. What actually reduces the alcohol level in a person's body?
- AA cold shower
- Time
- CStrong coffee
- DExercise
Answer: Time. The body removes alcohol at a steady rate. Nothing speeds it up, so only waiting long enough restores sober judgment.
Source: Official state driver handbook — Driver fitness — alcohol
2. Prescription and over-the-counter medicines can affect driving by:
- Causing drowsiness, blurred vision, or slowed reactions
- BHaving no effect if legally prescribed
- COnly affecting drivers over 65
- DImproving concentration
Answer: Causing drowsiness, blurred vision, or slowed reactions. Legality does not mean safety. Check labels and pharmacist advice for warnings about operating machinery.
Source: Official state driver handbook — Driver fitness — medication
3. What is the only reliable remedy for driver fatigue?
- AOpening the windows
- BTurning up the radio
- CCoffee or an energy drink
- Sleep
Answer: Sleep. Caffeine, cold air, and music mask drowsiness briefly. Only real sleep restores alertness, so stop somewhere safe and rest.
Source: Official state driver handbook — Driver fitness — fatigue

Practice all 12 driver fitness questions

Other South Dakota rules with their own questions

Safe driving6 South Dakota questions

Driver fitness elsewhere

Driver fitness rules in other states

Driver fitness law is set state by state — compare how another state handles it.

IllinoisIL · 4 questions IndianaIN · 3 questions IowaIA · 2 questions KansasKS · 3 questions MichiganMI · 4 questions MinnesotaMN · 3 questions MissouriMO · 4 questions NebraskaNE · 2 questions

Confirm current South Dakota rules

Statutes and handbooks change. South Dakota Driver Licensing is authoritative for South Dakota driver fitness rules and for the permit test itself.

Visit South Dakota Driver Licensing

Common questions

About South Dakota driver fitness rules and this practice set.