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New York DMV Permit Test · Learner Permit Written Test

New York DMV Permit Test: Alcohol and Other Drugs Concepts

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Overview

Alcohol and many drugs slow your reactions, blur your judgment, and make you more willing to take risks, often before you feel affected. This chapter explains how impairment works, New York's alcohol limits, the special rule for drivers under 21, and what happens if you refuse a chemical test.

A blood alcohol concentration (BAC) of 0.08% or more is Driving While Intoxicated (DWI), and 0.18% or more is Aggravated DWI. You can also be charged with Driving While Ability Impaired (DWAI) at a lower BAC if your driving ability is impaired, and driving while impaired by drugs is also a crime, including legal medicines that cause drowsiness. Only time removes alcohol from your body; coffee, cold showers, and fresh air do not.

Under the Zero Tolerance law, a driver under 21 who has a BAC of 0.02% to 0.07% faces license suspension. By driving in New York you are considered to have agreed to a chemical test of your breath, blood, urine, or saliva if you are arrested for impaired driving. If you refuse, your license will be revoked, separate from any penalty for the alcohol or drug charge itself.

Key concepts

  • BAC

    Blood alcohol concentration, the percentage of alcohol in your blood. It rises with each drink and falls only as your body slowly breaks down the alcohol over time.

    Memory tipOnly time lowers your BAC. Coffee does not.

  • DWI and Aggravated DWI

    Driving with a BAC of 0.08% or more is Driving While Intoxicated (DWI). Driving with a BAC of 0.18% or more is Aggravated DWI, which carries heavier penalties.

    Memory tip0.08 is DWI. 0.18 is Aggravated DWI.

    Source: NY Vehicle and Traffic Law · as of 2026

  • DWAI

    Driving While Ability Impaired. You can be charged even with a BAC below 0.08% if alcohol has impaired your ability to drive. Driving while impaired by drugs, including some legal medicines, can also be charged.

    Memory tipUnder 0.08 does not mean safe or legal if you are impaired.

  • Zero Tolerance law

    A driver under age 21 with a BAC of 0.02% to 0.07% faces suspension of their license under the Zero Tolerance law.

    Memory tipUnder 21: even 0.02 can cost you your license.

    Source: NY Vehicle and Traffic Law · as of 2026

  • Implied consent

    By driving in New York you are considered to have agreed to a chemical test (breath, blood, urine, or saliva) if arrested for impaired driving. Refusing the test leads to license revocation, separate from the outcome of the criminal case.

    Memory tipRefusing the test does not avoid trouble; it brings its own revocation.

    Source: NY Vehicle and Traffic Law · as of 2026

Often tested

  • A BAC of 0.08% or more is Driving While Intoxicated (DWI).
  • A BAC of 0.18% or more is Aggravated DWI.
  • Under the Zero Tolerance law, a driver under 21 with 0.02% to 0.07% faces license suspension.
  • Refusing a chemical test leads to license revocation.
  • Only time sobers you up. Coffee and cold showers do not.

Easy to confuse: Alcohol limits in New York

Who / levelBACResult
Driver under 210.02% to 0.07%Zero Tolerance license suspension
Any driver0.08% or moreDWI
Any driver0.18% or moreAggravated DWI

3 sample questions

Verified practice questions from this unit.

Practice questionReviewedLearner Permit Written Test › Alcohol and Other Drugs★★★★☆

Question 1. In New York, a driver 21 or older with a blood alcohol content (BAC) of 0.08% or more can be charged with what?

  1. ① Driving While Ability Impaired (DWAI) only
  2. ② Driving While Intoxicated (DWI)
  3. ③ A traffic ticket only
  4. ④ Nothing, if they feel fine
▼ Show answer and explanation▲ Hide answer and explanation

Answer: ② Driving While Intoxicated (DWI)

Key point: BAC 0.08% or more = DWI

In New York, a BAC of 0.08% or more is Driving While Intoxicated (DWI).

Wrong choices

  • Driving While Ability Impaired (DWAI) only: DWAI is for lower BAC levels. 0.08% or more is DWI.
  • A traffic ticket only: DWI is a serious crime, not a simple ticket.
  • Nothing, if they feel fine: How the driver feels does not matter. The BAC level counts.
Practice questionReviewedLearner Permit Written Test › Alcohol and Other Drugs★★★★☆

Question 2. What is the only thing that lowers your blood alcohol content (BAC)?

  1. ① Time
  2. ② Black coffee
  3. ③ A cold shower
  4. ④ Eating a big meal after drinking
▼ Show answer and explanation▲ Hide answer and explanation

Answer: ① Time

Key point: Only time lowers BAC

Only time lowers BAC. Your body removes alcohol slowly. Coffee, cold showers, fresh air, or exercise do not make you sober.

Wrong choices

  • Black coffee: Coffee may make you feel awake, but it does not lower BAC.
  • A cold shower: A shower does not remove alcohol from your blood.
  • Eating a big meal after drinking: Food after drinking does not lower BAC that is already in your blood.
Practice questionReviewedLearner Permit Written Test › Alcohol and Other Drugs★★★★☆

Question 3. Under New York's Zero Tolerance law, a driver under 21 faces license suspension with a BAC in which range?

  1. ① 0.02% to 0.07%
  2. ② 0.05% to 0.07%
  3. ③ 0.08% to 0.10%
  4. ④ 0.10% or more
▼ Show answer and explanation▲ Hide answer and explanation

Answer: ① 0.02% to 0.07%

Key point: Under 21: Zero Tolerance at 0.02%–0.07%

New York's Zero Tolerance law applies to drivers under 21. A BAC of 0.02% to 0.07% leads to license suspension.

Wrong choices

  • 0.05% to 0.07%: Zero Tolerance starts lower, at 0.02%.
  • 0.08% to 0.10%: 0.08% or more is DWI, which is more serious.
  • 0.10% or more: That is far above the Zero Tolerance range.
Practice 5 questions from this unit →