Arizona: Sign shapes and colors Practice Test
What the shape and color of a traffic sign tell you before you can read it.
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Questions are original and based on the official manual "Arizona Driver License Manual and Customer Service Guide" (Revised March 2026), Arizona Department of Transportation Motor Vehicle Division (ADOT MVD).
All 5 questions in this practice test
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Why can the shape of a traffic sign be useful in heavy rain, dust storms or fog?
- Sign shapes light up in poor visibility
- Sign colors change when visibility is poor
- Shapes are the only part of a sign printed in reflective paint
- You may be able to make out only the shape of the sign
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Correct answer: You may be able to make out only the shape of the sign
When visibility is poor, such as in heavy rain, dust storms or fog, you may be able to make out only the shape of a particular sign.
Source: Arizona Driver License Manual and Customer Service Guide (Revised March 2026), page 40
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Which sign shape is reserved for stop signs?
- Octagon
- Triangle
- Diamond
- Pennant
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Correct answer: Octagon
The octagon shape is reserved for stop signs, and you must come to a complete stop.
Source: Arizona Driver License Manual and Customer Service Guide (Revised March 2026), page 41
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What do rectangular regulatory signs do?
- Warn the driver of a possible danger ahead on the road
- Regulate traffic and direct the driver's speed and direction
- Mark the beginning of a no passing zone
- Warn that you are approaching a railroad crossing
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Correct answer: Regulate traffic and direct the driver's speed and direction
Rectangular regulatory signs regulate traffic and direct the driver's speed and direction.
Source: Arizona Driver License Manual and Customer Service Guide (Revised March 2026), page 41
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What do yellow, diamond-shaped signs warn of?
- A possible danger ahead
- A required stop ahead
- A regulatory speed limit
- The start of a school zone
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Correct answer: A possible danger ahead
Yellow, diamond-shaped signs warn of a possible danger ahead.
Source: Arizona Driver License Manual and Customer Service Guide (Revised March 2026), page 41
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Most signs used in highway and street work areas are what shape?
- Rectangular
- Triangular
- Diamond-shaped
- Octagonal
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Correct answer: Diamond-shaped
Most construction and maintenance signs are diamond-shaped.
Source: Arizona Driver License Manual and Customer Service Guide (Revised March 2026), page 44