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Idaho Class D Knowledge Practice Test
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Passing target: 85% (34/40)
Regulatory, Lane & Parking SignsStandalone practice
A red circular sign has a horizontal white bar across its center. What does it mean?
Correct answer: Do not enter from this direction
Why
The red circle with a centered white bar identifies an approach that traffic must not enter from that direction.
Verified against Idaho Driver’s Handbook, July 2026 · Do not enter symbol · p. 45
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