Washington Permit Practice Test: Alcohol and Drugs (2026)

Question 1 of 15

For drivers 21 and older, what BAC is considered DUI?

1. .15% or higher
2. .08% or higher
3. .02% or higher

Question 2 of 15

What BAC brings DUI consequences for drivers under 21?

1. 0.08%
2. 0.10%
3. 0.02%

Question 3 of 15

For drivers 21 and older, how much active THC in the blood is considered DUI?

1. More than 5 nanograms per milliliter
2. Any amount over 20 nanograms
3. There is no THC limit

Question 4 of 15

What can happen if you refuse a test for alcohol or drugs?

1. Nothing
2. Loss of your driving privilege for 90 to 730 days, or until 21 if longer
3. A $50 fine only

Question 5 of 15

Can you get a DUI while your vehicle is parked?

1. No, never
2. Only on a highway
3. Yes, if you are in physical control of it

Question 6 of 15

Under Washington's Implied Consent Law, what do drivers agree to?

1. To be tested if an officer suspects impairment
2. To pay any fine
3. To surrender their car

Question 7 of 15

How long do alcohol- and drug-related offenses stay on your driving record?

1. 3 years
2. For life
3. 7 years

Question 8 of 15

A DUI conviction can suspend your driving privileges for how long?

1. One week
2. Six hours
3. 90 days to 4 years

Question 9 of 15

Where may you carry an opened bottle of alcohol in a vehicle?

1. Only in the trunk or truck bed
2. In the glove box
3. Under the seat

Question 10 of 15

Is it legal for a passenger to drink alcohol in a moving vehicle?

1. Yes, passengers may drink
2. No, it is a traffic infraction for anyone in the vehicle
3. Yes, if the driver is sober

Question 11 of 15

Recreational cannabis is legal at 21. When is it legal to drive after using it?

1. After one hour
2. If you are over 21
3. Never: driving after consuming any cannabis is illegal at any age

Question 12 of 15

What is the most common impairing substance in impaired-driving crashes?

1. Alcohol
2. Caffeine
3. Cannabis

Question 13 of 15

What is the most common impairment in fatal crashes?

1. Fatigue alone
2. Polydrug use (mixing substances)
3. Caffeine

Question 14 of 15

Your medicine warns against operating heavy machinery. Does that include driving?

1. No
2. Only trucks
3. Yes

Question 15 of 15

Is a legal, over-the-counter drug always safe to use while driving?

1. No, legal drugs can still impair you
2. Yes, always
3. Only with water