Class 1 / AZ Semi-Trailer Knowledge Test Practice
Road Signs · Class 1 / Semi-Trailer Knowledge Test preparation
* Encouragement copy is based on user feedback; individual results vary. We do not guarantee a passing result — always rely on your provincial driver's official handbook.
About the Class 1 / Semi-Trailer Knowledge Test
Practice for the Canadian Class 1 commercial heavy truck (semi-trailer) knowledge test.
- Authority
- Provincial Authorities
- Jurisdiction
- Class 1 (Heavy Truck)
- Questions
- 50
- Pass mark
- 80%
- Time limit
- 60 min
- Practice bank
- 399 questions
Who should take this exam
The Class 1 / Semi-Trailer Knowledge Test is intended for candidates preparing for certification or licensing administered by Provincial Authorities in Class 1 (Heavy Truck). If you are studying for this credential, or re-taking after a previous attempt, this practice bank mirrors the official blueprint and is suitable for first-time learners and refreshers alike.
Exam format
- 50 multiple-choice questions on the official test.
- Pass mark: 80% (must answer at least 40 correctly).
- Recommended time limit: 60 minutes.
- Closed-book; calculators and reference material are not permitted unless explicitly allowed by Provincial Authorities.
Study recommendations
- Read the official Provincial Authorities handbook or study guide cover to cover.
- Work through every question in the practice bank above; review the explanation on each miss.
- Use the review queue to loop only the questions you got wrong.
- When you are scoring above 80% consistently, switch to the timed mock exam.
- Take the official test once you can pass three mock exams in a row.
Continue your prep
Related courses
Other Canadian certifications candidates often prepare for alongside this one.
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Scenario 37: A diamond-shaped yellow sign means:
Session
Study tips
Read explanations
Tap any wrong answer to see why.
Master signs
Shape + color tells you the category.
Repeat until 100%
Review mode loops just your misses.
Then go timed
Move to the mock exam when ready.
Frequently asked questions
Prepare for the Canadian Class 1 (AZ in Ontario) commercial heavy-truck knowledge test with practice questions modelled on provincial commercial driver manuals and MELT curriculum. Covers hours of service, pre-trip inspection, air brakes, cargo securement, hazardous materials awareness and safe operation of tractor-trailer combinations.
Disclaimer: This site is an independent third-party study tool. We are not affiliated with, endorsed by, or authorized by any provincial licensing authority (including ICBC, MTO, SAAQ, SGI, MPI, Service NB, Service NL, Alberta Registries) or any Canadian government body. Questions are for study reference only — always refer to your province's current official driver's handbook and regulations.
This website is an independent driving test preparation platform and is not affiliated with Provincial Authorities or any provincial licensing authority. Always refer to the official driver's handbook for legal requirements.