Drinking and driving — Virginia Permit Test
Drinking and driving on the Virginia permit test — 9 rules, each with the reason behind it and a question on it while it is fresh.
The rules
A driver aged 21 or older is driving under the influence if their blood alcohol content is .08 percent or higher.
It is the line the law draws, and being under it is not the same as being safe.
You can be convicted of driving under the influence with a blood alcohol content below .08 percent if your driving is impaired.
The test is whether you were driving badly, not only what the machine read.
Twelve ounces of beer contains about the same alcohol as a shot of liquor or a five-ounce glass of wine.
The glass looks different but the alcohol inside is the same, so the count is the same.
Only time can reduce intoxication; coffee, a cold shower and exercise will not sober you up.
Your body clears alcohol at its own pace and nothing speeds it up.
Your chance of being in a crash is seven times greater if you drive after drinking than if you drive sober.
Alcohol takes away judgment first, which is the part that would have told you to stop.
Even one alcoholic drink can affect your driving, because a small amount of alcohol already affects vision, judgment and coordination.
The three things it hits first are the three things driving needs most.
Combining alcohol with another drug usually multiplies the effects of both, and one drink taken with even an aspirin or a cold medicine can affect driving like several drinks.
The two together do more than the two added up.
Driving under the influence of marijuana is illegal in Virginia even though possession over the age of 21 is legal.
Legal to have and legal to drive on are two different questions.
Many over-the-counter and prescription medicines for headaches, colds, allergies and nervous conditions can cause drowsiness and slow your reaction time.
A medicine that makes you sleepy at home does the same thing at the wheel.
On the test
At what blood alcohol content is a driver aged 21 or older considered under the influence?
.08 percent or higher. It is the line the law draws, and being under it is not the same as being safe.
How this works
Most practice tests hand you a bank of questions and leave the manual somewhere else. This one puts them together.
You read one law and the reason behind it, then answer a question on that law while it is still fresh. Get it right and you move on; get it wrong and you have found the gap while it is cheap to fix, not on the morning of the exam.
Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.
Where these come from
Every rule here is checked against Virginia Driver's Manual, published by the Virginia Department of Motor Vehicles, and against the state code itself. Last checked 2026-09-06.