What does a Class 3 / DZ licence cover?

A Class 3 (or DZ in Ontario) licence allows you to drive straight-body trucks with three or more axles, including most dump trucks.

Do I need air brake endorsement?

Yes — most Class 3 / DZ vehicles use air brakes, so a Q endorsement is required.

🍁 Provincial Authorities · Class 3 Heavy Vehicle Knowledge Test

Everything you need to pass the Provincial Authorities Class 3 Heavy Vehicle Knowledge Test — explore each section below.

Each section is its own focused page.

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Regulatory, warning, guide and construction signs you'll see on Class 3 (Heavy Vehicle) roads.

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Right of way, speed limits, parking, intersections and traffic law.

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Defensive driving, weather, sharing the road, impairment and distraction.

Timed Class 3 Heavy Vehicle Knowledge Test-style mock that mimics the real thing.

Loop just the questions you've missed until you get them right.

See accuracy, streaks, and category breakdowns over time.

Practice for the official knowledge test in every Canadian province and territory.

This website is an independent driving test preparation platform and is not affiliated with ICBC or any provincial licensing authority.