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Ontario G1 Practice Test · Question

A plain black-on-white speed limit sign (without the word 'maximum') represents:

In Ontario, a standard black-on-white sign is a regulatory sign that dictates the legally enforceable maximum speed limit under ideal conditions, even without t

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Question: A plain black-on-white speed limit sign (without the word 'maximum') represents:

Answer options:

  • An advisory speed ✅ The legal maximum speed
  • The minimum speed
  • The school-zone speed

Correct answer: The legal maximum speed

Explanation: In Ontario, a standard black-on-white sign is a regulatory sign that dictates the legally enforceable maximum speed limit under ideal conditions, even without the word maximum written on it. Advisory speeds are instead indicated by yellow-and-black warning signs, while school-zone and minimum speeds use distinct, specialized signage. Under the Ontario Highway Traffic Act, regulatory signs are laws that drivers must obey. G1 exam candidates must easily distinguish between regulatory black-and-white signs and warning yellow-and-black signs to successfully pass the road rules section of the written test.

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