BC Class 4 Practice Test · Question
When temperatures are near freezing, which part of the roadway is likely to freeze first and become slippery?
Bridges and overpasses freeze before the rest of the roadway because they are exposed to cold air both above and below.
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Question: When temperatures are near freezing, which part of the roadway is likely to freeze first and become slippery?
Answer options:
- Intersection approaches
- Steep downhill grades ✅ Bridges and overpasses
- Curves in the middle of a forest
Correct answer: Bridges and overpasses
Explanation: Bridges and overpasses freeze before the rest of the roadway because they are exposed to cold air both above and below.
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