Match each category of motor vehicle operator on the left with its exact statutory Blood A… — DMV Permit Practice Test

Match each category of motor vehicle operator on the left with its exact statutory Blood Alcohol Concentration (BAC) limit on the right.

Commercial motor vehicle operator holding a CDLStatutory limit of $0.04\%$ BAC
Underage driver under 21 years of ageZero tolerance limit of $0.01\%$ to $0.02\%$ BAC
Standard non-commercial adult driver aged 21 or olderStandard legal limit of $0.08\%$ BAC

Commercial vehicle drivers match with

0.04\%

BAC, underage drivers match with

0.01\%

0.02\%

BAC under zero tolerance laws, and adult non-commercial drivers match with

0.08\%

BAC.

Each driver category maps precisely to its statutory limit: commercial drivers are held to

0.04\%

BAC, underage motorists are restricted under zero-tolerance rules (

0.01\%

0.02\%

BAC), and standard adult drivers face the

0.08\%

BAC limit.

Identify the statutory BAC limit for commercial vehicle operators.

Commercial drivers are regulated under federal and state rules setting the limit at

0.04\%

BAC.

Commercial driver license holders operate heavy transport vehicles requiring higher standards of safety.

Identify the zero tolerance BAC threshold for minor drivers under age 21.

Underage drivers face strict zero tolerance rules with limits set between

0.01\%

and

0.02\%

BAC.

It is illegal for individuals under the legal drinking age to operate a motor vehicle with any measurable trace of alcohol.

Identify the standard impairment BAC threshold for non-commercial adult drivers.

Adult non-commercial drivers aged 21 and older reach legal intoxication at

0.08\%

BAC.

This is the universal standard threshold for driving under the influence across standard vehicle operations.

Statutory Blood Alcohol Concentration (BAC) Thresholds Across Driver Categories

Question