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Ontario G1 Practice Test
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Passing target: 16 correct signs and 16 correct rules (TLA practice targets)
Construction zones and temporary signsStandalone practice
An orange diamond sign shows several jagged humps in a black road profile. What does it warn about?
Correct answer: A bump or uneven road surface in the work zone
Why
A bump or uneven road profile is present in the work zone. Reduce speed as needed and keep control. The warning does not specify the exact cause, such as a paving joint or repair, so do not assume a particular construction defect.
Verified against Ontario Traffic Manual, Book 7: Temporary Conditions (April 2022) · Work-zone bump warning
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