California Driver License (DMV) Written Practice Test

When carrying hazardous materials, you must:

Follow the speed limit Have a brake light and headlights on Have a flashing green light Have a red flag on the back of the vehicle

Correct Answer:

Have a red flag on the back of the vehicle

Explanation:

When carrying hazardous materials, you must have a red flag on the back of the vehicle, as this is a required marking for any vehicle transporting hazardous materials. Options A and B are basic safety measures and should always be followed while driving, but they are not specific to transporting hazardous materials. Option C may be used by emergency response vehicles, but it is not required for vehicles carrying hazardous materials. Therefore, the best answer is D.

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