Driving a commercial vehicle is completely different from driving a car. Drivers must know more about their vehicles, and they need to take extra safety precautions. A commercial driver’s licence is required to drive a commercial vehicle of a certain size and weight in Canada. To obtain a commercial driver’s licence in Quebec, the driver must pass a written knowledge test and a road test. This 494-question Marathon contains all questions from our other QC Air Brake tests. It will cycle through them until you’ve provided a correct answer to each of them. The Air Brake Marathon is based on the 2025 Quebec commercial driver’s manual. You can also use our regular Air Brake practice tests for QC to prepare for your test. When you’re ready, take the Air Brake Exam Simulator.
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