Quebec SAAQ Knowledge Test · Question
In Quebec, black ice is most likely to form:
Bridges, overpasses, and shaded areas cool down faster than surrounding roads because cold air circulates beneath them and warming sunlight is blocked, making t
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Question: In Quebec, black ice is most likely to form:
Answer options:
- At noon ✅ On bridges, overpasses and shaded areas in cold weather
- On dry asphalt
- On gravel
Correct answer: On bridges, overpasses and shaded areas in cold weather
Explanation: Bridges, overpasses, and shaded areas cool down faster than surrounding roads because cold air circulates beneath them and warming sunlight is blocked, making them highly susceptible to rapid freezing. Conversely, dry asphalt lacks the moisture required to freeze, gravel does not typically support this thin glaze of ice, and noon is usually the warmest part of the day when freezing is least likely. According to the SAAQ Driver's Handbook, drivers must anticipate these specific temperature-sensitive zones to prevent sudden loss of control. Recognizing where invisible traction hazards develop is a highly tested concept on the Quebec theory exam's winter safety section.
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