Ontario — G1 Knowledge Test

30 questions, 80% passing score, same format — know exactly what to expect on test day.

Exam mode rules

Questions are drawn randomly from all topics.
No hints or explanations during the exam.
You can flag and skip difficult questions, they'll return at the end.
Your results and score will be shown after you complete all questions.

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Sample flash card

tdg

A truck displays a diamond placard: white placard with a skull-and-crossbones symbol and the number 6. What class of dangerous goods does it indicate?

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Sample flash card

weather

Why are empty or lightly loaded trailers more dangerous in high crosswinds than fully loaded ones?

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Sample flash card

highway

Why should a commercial driver slow down before entering a curve, not while in it?

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