BMV Alcohol, Drugs, and Impaired Driving Laws 1 — Questions and Answers
Question 1: What is the legal blood alcohol concentration (BAC) limit for drivers aged 21 and older in Indiana?
- 0.05%
- 0.06%
- 0.08% (Correct answer)
- 0.10%
Correct answer: 0.08%
The legal BAC limit for drivers 21 and older in Indiana (and all US states) is 0.08%, above which a driver is presumed impaired.
Question 2: What is the BAC limit for drivers under 21 years of age in Indiana?
- 0.08%
- 0.04%
- 0.02% (Correct answer)
- 0.00% — any detectable amount
Correct answer: 0.02%
Indiana enforces a 0.02% BAC limit for drivers under 21, making it virtually zero-tolerance for underage drinking and driving.
Question 3: What does OWI stand for in Indiana?
- Operating While Intoxicated (Correct answer)
- Operating With Impairment
- Offense of Willful Intoxication
- Operating Without Insurance
Correct answer: Operating While Intoxicated
In Indiana, the charge for drunk or drugged driving is OWI — Operating While Intoxicated — rather than DUI or DWI.
Question 4: What is the consequence of refusing a chemical test (breath, blood, or urine) in Indiana?
- No penalty unless convicted of OWI
- Automatic license suspension for at least one year (Correct answer)
- A small fine but no license action
- You may refuse without any consequence
Correct answer: Automatic license suspension for at least one year
Under Indiana's implied consent law, refusing a chemical test results in automatic license suspension of at least one year, regardless of OWI conviction.
Question 5: Approximately how long does the body take to process one standard drink of alcohol?
- 15–20 minutes
- 30 minutes
- About one hour (Correct answer)
- Two hours
Correct answer: About one hour
The liver processes approximately one standard drink per hour; no amount of coffee, food, or water speeds up this process.
Question 6: What is the minimum legal drinking age in the United States?
- 18
- 19
- 20
- 21 (Correct answer)
Correct answer: 21
The minimum legal drinking age in all 50 US states is 21, established under the National Minimum Drinking Age Act of 1984.
What is the legal blood alcohol concentration (BAC) limit for drivers aged 21 and older in Indiana?