Quebec SAAQ Knowledge Test · Question
A sign with a truck on a downward grade warns of:
This yellow warning sign alerts drivers to a steep downgrade ahead, signaling them to use a lower gear to safely control their speed and avoid overheating their
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Question: A sign with a truck on a downward grade warns of:
Answer options:
- Truck stop ✅ Steep downgrade — use lower gear
- No trucks
- Runaway lane
Correct answer: Steep downgrade — use lower gear
Explanation: This yellow warning sign alerts drivers to a steep downgrade ahead, signaling them to use a lower gear to safely control their speed and avoid overheating their brakes. It does not indicate a truck stop or runaway lane, which have distinct blue or informational signs, nor does it mean trucks are prohibited, which is represented by a regulatory circle-and-slash sign. Under SAAQ guidelines, yellow diamond signs warn of upcoming road hazards so drivers can proactively prepare. Expect questions on yellow warning signs on the Quebec theory exam, as recognizing these hazard indicators is critical for safe vehicle control.
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