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Idaho Class D Knowledge Practice Test
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Passing target: 85% (34/40)
Warning, Construction & Information SignsStandalone practice
A yellow diamond contains one black arrow pointing up and another pointing down. What does it warn about?
Correct answer: Two-way traffic is ahead
Why
Opposing vertical arrows warn that a divided or one-way section is changing to a roadway carrying traffic in both directions.
Verified against Idaho Driver’s Handbook, July 2026 · Two-way traffic begins · p. 50
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