SD DMV Alcohol, Drugs, and Driving 2 — Questions and Answers
Question 1: A first-offense DUI conviction in South Dakota can result in a jail sentence of up to:
- 24 hours
- 30 days
- 1 year (Correct answer)
- 2 years
Correct answer: 1 year
A first DUI offense in South Dakota is a Class 1 misdemeanor carrying up to one year in county jail and a fine of up to $2,000.
Question 2: In South Dakota, a driver convicted of a DUI for the third time within a 10-year period faces:
- A Class 1 misdemeanor only
- A Class 6 felony charge (Correct answer)
- Loss of driving privileges for 30 days
- Mandatory installation of a GPS tracker
Correct answer: A Class 6 felony charge
A third DUI conviction within 10 years in South Dakota is elevated to a Class 6 felony, which carries significantly harsher penalties.
Question 3: After a DUI conviction in South Dakota, a driver may be required to install which device on their vehicle?
- A speed limiter
- An ignition interlock device (Correct answer)
- A dashboard camera
- A GPS tracking unit
Correct answer: An ignition interlock device
South Dakota courts may require DUI offenders to install an ignition interlock device, which prevents the vehicle from starting if alcohol is detected on the driver's breath.
Question 4: Under South Dakota law, prescription medications that impair your ability to drive safely are treated how?
- They are exempt from DUI laws because they are legal
- They are treated the same as alcohol or illegal drugs for DUI purposes (Correct answer)
- Only controlled substances require a prescription to trigger DUI
- Impairment from prescriptions is only a traffic infraction, not DUI
Correct answer: They are treated the same as alcohol or illegal drugs for DUI purposes
South Dakota DUI law applies to any substance — including legal prescription drugs — that renders a driver incapable of safely operating a vehicle.
Question 5: How does fatigue interact with even a small amount of alcohol while driving?
- Fatigue cancels the effects of alcohol
- Fatigue combined with alcohol severely amplifies impairment (Correct answer)
- Alcohol counteracts drowsiness, reducing overall impairment
- There is no known interaction between fatigue and alcohol
Correct answer: Fatigue combined with alcohol severely amplifies impairment
Fatigue and alcohol have a compounding effect, making impairment far worse than either would cause alone and dramatically increasing crash risk.
Question 6: In South Dakota, what is the administrative license suspension period for a first-time DUI arrest (before conviction)?
- No suspension before conviction
- 30 days (Correct answer)
- 60 days
- 1 year
Correct answer: 30 days
South Dakota imposes a 30-day administrative license suspension upon a first DUI arrest, which is separate from any criminal court penalties.
Question 7: Which statement best describes how marijuana affects driving in South Dakota?
- Marijuana has no measurable effect on driving ability
- Marijuana is legal recreationally in SD so it cannot result in a DUI
- Marijuana impairs reaction time and judgment, and driving under its influence is illegal (Correct answer)
- Only smoking marijuana while driving is prohibited; prior use is not an issue
Correct answer: Marijuana impairs reaction time and judgment, and driving under its influence is illegal
Marijuana impairs the cognitive and motor skills needed to drive safely, and South Dakota law prohibits driving while impaired by marijuana regardless of its legal status for other uses.
SD DMV Alcohol, Drugs, and Driving 2
A first-offense DUI conviction in South Dakota can result in a jail sentence of up to: