Australian Capital Territory, car licence
ACT knowledge test alcohol drugs and fatigue practice questions
All 9 original practice questions on this topic, with the correct answer marked and the reason under each one.
Where these questions come from
Original practice questions written for this site. Not the official question bank. They were written against the current Australian Capital Territory road rules, with the rule cited under every answer. ACT Government does not publish the ACT knowledge test question bank, so nothing on this page is the wording you will meet in the sitting.
How the ACT knowledge test runs: 35 questions with 31 correct to pass, so four wrong answers. Source: ACT Government, checked 27 August 2026.
Question 1
What is the blood alcohol limit for a learner driver in the ACT?
Learner and provisional drivers in the ACT must have no alcohol in their system at all when driving. The zero limit removes any guessing about how much is safe.
Rule cited: ACT Road Rules Handbook, topic: alcohol limits for learner and provisional drivers
Question 2
You are supervising a learner driver from the front passenger seat. Does an alcohol limit apply to you?
A supervisor has to be capable of taking over and giving sound instructions, so alcohol limits apply to them too. Check the current requirement before you supervise.
Rule cited: ACT Road Rules Handbook, topic: supervising a learner driver
Question 3
How does alcohol affect driving ability?
Alcohol lengthens reaction time, narrows attention and makes drivers overrate their own ability. The effects begin well before anyone feels obviously drunk.
Rule cited: ACT Road Rules Handbook, topic: alcohol and driving
Question 4
You had several drinks last night and feel fine this morning. What is the safest assumption?
The body clears alcohol slowly and nothing speeds it up. Sleep, food, coffee and cold showers change how you feel, not your blood alcohol level.
Rule cited: ACT Road Rules Handbook, topic: alcohol and driving
Question 5
Your doctor prescribes a medicine that carries a warning about drowsiness. What should you do before driving?
Prescription and over the counter medicines can affect alertness, vision and coordination. It is your responsibility to check before you get behind the wheel.
Rule cited: ACT Road Rules Handbook, topic: medicines and driving
Question 6
Which of these is an early warning sign of driver fatigue?
Repeated yawning, heavy eyelids, wandering thoughts and lane drift all say the same thing. Stop and rest, because fatigue only gets worse from there.
Rule cited: ACT Road Rules Handbook, topic: fatigue
Question 7
You start to feel drowsy on a long drive. What is the most effective response?
The only real cure for fatigue is sleep. Fresh air, music and caffeine mask the symptoms briefly and leave you just as likely to have a microsleep.
Rule cited: ACT Road Rules Handbook, topic: fatigue
Question 8
What is a microsleep?
A microsleep lasts only a few seconds but at highway speed the car travels a long way with nobody in control. Drivers often have no memory of it happening.
Rule cited: ACT Road Rules Handbook, topic: fatigue
Question 9
How does combining alcohol with an illegal drug affect driving?
Mixing substances can multiply impairment in ways that are hard to predict. Roadside testing in the ACT covers both alcohol and drugs.
Rule cited: ACT Road Rules Handbook, topic: drugs and driving
Reading them is the easy half
35 questions with 31 correct to pass, so four wrong answers. Answering under that pressure is a different thing from reading the list.
Original practice questions written for this site. Not the official question bank. Written against the current Australian Capital Territory road rules, reviewed 27 August 2026.
Where these questions come from
Original practice questions written for this site. Not the official question bank. They were written against the current Australian Capital Territory road rules, with the rule cited under every answer. ACT Government does not publish the ACT knowledge test question bank, so nothing on this page is the wording you will meet in the sitting.
How the ACT knowledge test runs: 35 questions with 31 correct to pass, so four wrong answers. Source: ACT Government, checked 27 August 2026.
Other topics in the set
Previous: Overtaking and following. Next: Signals and lane use.