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FREE AB Commercial Driving Licence Diagnostic Test 2025
Based on the 2025 AB CDL manual
Questions: 25
Mistakes allowed: 5
Passing score: 80%
Ensuring the accuracy and quality of our practice tests is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.
What to expect on the official exam
| How many questions: | 40 |
|---|---|
| How many correct answers to pass: | 32 |
| Passing score: | 80% |
Try this AB commercial driving licence diagnostic test to get a rough idea of how much you know about commercial driving rules in Alberta. This test contains 25 multiple-choice questions on a variety of topics in commercial driving. It will help you quickly identify gaps in your knowledge, which will be especially useful if you’re just starting to prepare for the commercial driving licence knowledge exams.
4.24 out of 5 • 21 votes.
Based on 2025 AB commercial driver's license manual
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List of questions (classic view)
- If the driver defers some off-duty time to the following day, his or her total driving time in two days must not exceed
- To perform the pre-trip inspection of the air brakes, which of the following should you do first?
- The driver must carry copies of the daily logs for the past
- If the weigh station is open, you should
- If you feel drowsy, sleepy or fatigued, what should you do?
- How can you improve your vehicle's fuel economy while you're behind the wheel?
- Provincial/Territorial authorities recommend that every commercial vehicle carry
- A professional driver is expected to demonstrate
- When are you required to stop for a stopped school bus with red lights flashing?
- If you're approaching a railway crossing at which a signal device or flagperson is warning of an approaching train, you must
- What does this sign mean?
- What does this road sign mean?
- What does this road sign mean?
- What does this road sign mean?
- What does this sign mean?
- What does this sign mean?
- What does this road sign mean?
- What does this road sign mean?
- What does this sign mean?
- What does this sign mean?
- What does this sign mean?
- What does a sign with a red circle and a diagonal red bar mean?
- If a red X signal is displayed over your lane, you must
- What does this road sign mean?
- What does this road sign mean?