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Ontario G1 Practice Test · Question

What shape and colour identifies a stop sign?

Ontario traffic laws require stop signs to be a red octagon, a unique shape and color combination designed to ensure maximum visibility and instant recognition

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Question: What shape and colour identifies a stop sign?

Answer options:

  • Yellow diamond ✅ Red octagon
  • Green rectangle
  • Orange diamond

Correct answer: Red octagon

Explanation: Ontario traffic laws require stop signs to be a red octagon, a unique shape and color combination designed to ensure maximum visibility and instant recognition even if the sign face is obscured by snow or dirt. In contrast, yellow diamonds are reserved for warning signs, orange diamonds mark construction zones, and green rectangles indicate directional or informational guidance. Under the Ontario Highway Traffic Act, understanding standardized shapes and colors is crucial for safe navigation. Candidates will frequently encounter sign identification questions on the G1 written exam, making memorization of these basic regulatory symbols essential for passing.

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