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Hazardous load placard

A free practice question for the California permit test, with the answer explained.

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Practice question · Signs and markings
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A truck ahead has this diamond-shaped sign. What does it mean?

The rule

A diamond-shaped placard on a truck warns that its cargo may be hazardous, such as gas or explosives. Vehicles showing it must stop before crossing railroad tracks.

A diamond-shaped placard on a truck warns that the load could be dangerous, like gas or explosives. Expect the truck to stop at railroad tracks.

From the California Driver Handbook, section 7, page 50. This question is our own wording of that rule. The handbook and the DMV have the final word.

Often mixed up with

People confuse these rules with this one. Each has its own practice question.

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