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Quebec SAAQ Knowledge Test · Question

A yellow diamond with a truck on a slope means:

Under SAAQ guidelines, a yellow diamond signifies a warning. A truck on a slope warns drivers of an upcoming steep descent, advising them to manage their speed

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Question: A yellow diamond with a truck on a slope means:

Answer options:

  • Truck route ✅ Steep grade ahead — be careful around trucks
  • No trucks
  • Rest area

Correct answer: Steep grade ahead — be careful around trucks

Explanation: Under SAAQ guidelines, a yellow diamond signifies a warning. A truck on a slope warns drivers of an upcoming steep descent, advising them to manage their speed and watch for slow heavy vehicles. Regulatory signs, such as those indicating a truck route or prohibiting trucks, are square with black symbols or red prohibition circles. Rest areas are indicated by blue informational signs. Memorizing how the SAAQ categorizes signs by color and shape is highly relevant for the Class 5 theory test, where yellow always signals a potential hazard or change in road conditions.

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