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Ontario Safe Driving & Conditions Practice Test

Updated for 2026 · 32 safe driving & conditions questions of 327 across the full Ontario commercial path · Aligned to the commercial driver's manual · See the commercial path

Start with General Knowledge first. We recommend completing it before drilling safe driving & conditions questions.

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Highway driving and adverse conditions: following distance, speed on grades, rain, snow, and ice.

Study safe driving & conditions questions

All 32 questions in one card, each with an explanation after you answer. No timer.

Safe Driving & Conditions questions

32 questions, each with an explanation.

Study mode, no timer

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Practice runs

3 runs, each a different mix of questions. Answer one at a time and see the explanation after each.

Practice run 1

Free

20 questions, a different mix in each run.

20 questions

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Practice run 2PRO20 questions, a different mix in each run.20 questionsGet ProPractice run 3PRO20 questions, a different mix in each run.20 questionsGet Pro
~26%Sample score

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About the Ontario Safe Driving & Conditions test

In Ontario, DriveTest sets this test, written by every Ontario commercial applicant whatever class they are working toward. The questions below come from the commercial driver's manual that applies in Ontario.

This section is about how a heavy vehicle actually behaves once you are moving: on the highway, on grades and curves, in traffic, and in the weather Canada is known for. Expect questions on safe following and stopping distance, merging and lane discipline, and managing speed downhill and through curves where posted advisory speeds were set for cars, not loaded trucks.

A large vehicle carries far more momentum than a car, so recovery from a mistake is harder and slower. The test stresses adjusting early, before rain, fog, snow, ice, or darkness reduce your traction and visibility, rather than reacting once you are already in trouble.

Ontario Safe Driving & Conditions Practice Test 2026 | Drive IQ Canada