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Quebec Class 5 Practice Test
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Passing target: 75% in each of the three areas
Warning, Construction & Information SignsStandalone practice
What does 18% describe on the warning sign shown?
Correct answer: The maximum grade of the slope.
Why
The percentage on a steep-grade warning describes the slope's maximum grade. The higher the percentage, the steeper the hill. Although the pictogram shows a truck, a steep descent can also be hazardous for passenger vehicles, especially on a curve or a slippery surface.
Verified against Driver's Handbook · Warning, construction and information signs · p. 161
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