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Ontario · G1 Knowledge Test · G1 · DriveTest (MTO)

Ontario G1 Knowledge Test — G1 Practice Question

Knowledge test administered by DriveTest (MTO) for the G1 licence. 40 questions, 80% to pass.

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Accuracy —
Road Signs

A diamond-shaped sign with an orange background and black symbols indicates:

Ontario road sign — Unusual temporary conditions such as road work or detours
Show Answer & Explanation
Correct Answer: B. Unusual temporary conditions such as road work or detours

Orange diamond signs mark work zones, detours, lane closures, and flagged traffic control. They alert you to transient hazards: workers on foot, heavy equipment, sudden lane shifts. Reduced speed limits in these zones are common and actively enforced with double fines.

Why the other answers are wrong

  • A.A permanent speed-limit changePermanent speed changes use white rectangular regulatory signs, not orange diamonds.
  • C.A school zoneSchool zones use pentagonal (5-sided) fluorescent yellow/green signs, distinct from orange construction.
  • D.An emergency-vehicle right-of-way laneEmergency-vehicle lanes use regulatory signage and pavement markings, not orange construction diamonds.

More Road Signs Questions

Which sign most commonly indicates that a road is one-way? A sign showing a curved arrow doubling back, with a red circle and slash over it, means: You are behind a slow-moving farm tractor on a two-lane rural road. You see a 'Do Not Pass' sign. A long straight stretch appears ahead. What should you do? A sign with a left-pointing arrow covered by a red circle and slash means: You missed your exit and a 'No U-turn' sign is posted at the next intersection. The safest legal way to turn around is to:

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