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Idaho Class D Knowledge Practice Test
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Turns, Lanes, Passing & MergingStandalone practice
While already moving on an ordinary city street, how far before a turn must you begin signaling?
Blue car A is in the proper lane approaching an intended right turn. An enlarged detail identifies its right turn signal.
Correct answer: At least 100 feet
Why
For this moving turn, signal continuously for at least the last 100 feet before turning. On controlled-access highways, and before moving from a parked position, the law instead requires at least five seconds of continuous signaling.
Verified against Idaho Driver’s Handbook, July 2026 · Urban signal distance · p. 72
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