Road Safety
NSW DKT alcohol and drugs questions
All 20 NSW Driver Knowledge Test questions on alcohol and drugs are on this page, with the correct answer marked on each one. They are 20 of the 358 questions Transport for NSW publishes for the car licence in New South Wales, retrieved 27 August 2026 and published under CC BY 4.0.
Question 1
To reduce the effect of alcohol before driving or riding you should -
Question 2
Before driving a motor vehicle or riding a motor cycle it is safest -
Question 3
Is it an offence to refuse to take a POLICE breath test?
Question 4
If you take medicine and then drink alcohol -
Question 5
If you are driving a bus, taxi, hire-car, heavy motor vehicle (over 13.9 tonnes Gross Vehicle Mass), or a vehicle with a dangerous load, it is an offence when the level of alcohol in your blood reaches -
Question 6
Having 1 or 2 alcoholic drinks before driving -
Question 7
Even if you feel unaffected after drinking alcohol, you should -
Question 8
Alcohol is a depressant. This means -
Question 9
After drinking alcohol you could -
Question 10
If you are going out and going to drink alcohol, the best way to avoid having to drink and drive is to -
Question 11
When drivers have been drinking, the crashes they are involved in are generally -
Question 12
On Thursday, Friday and Saturday nights, how many serious crashes involve alcohol?
Question 13
What is the safest way to stay under the legal alcohol limit?
Question 14
If you hold a learner or provisional licence class what is the Blood Alcohol Concentration (BAC) limit?
Question 15
If you are taking any sort of medicine, you should -
Question 16
Before taking any drugs and then driving it is most important to -
Question 17
If you have used illegal drugs you -
Question 18
If you are affected by a legal drug, such as a medicine (e.g. cold or allergy tablets) -
Question 19
You want to drive your car but you have a very bad headache. A friend gives you some of their headache tablets to kill the pain. What should you do before you take these tablets?
Question 20
If you are taking several medications and you want to drive, you should -
Practice alcohol and drugs
Questions from the Transport for NSW Driver Knowledge Test question bank, published under CC BY 4.0. Bank retrieved 2026-08-27, reviewed 27 August 2026.
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