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Idaho Class D Knowledge Practice Test
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Vehicle Safety, Documents & TowingStandalone practice
Under normal conditions, from what minimum distance must a vehicle’s horn be audible?
Correct answer: At least 200 feet
Why
A functioning horn must be audible from at least 200 feet, while unreasonably loud or harsh devices are prohibited.
Verified against Idaho Driver’s Handbook, July 2026 · Horn audible distance · p. 39
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