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Illinois Class D Written Exam Practice
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Regulatory, Lane & Parking SignsStandalone practice
A white lane-use sign shows a left-turn arrow above the word ONLY. What must a driver in that lane do?
Correct answer: Turn left in the direction shown.
Why
An arrow paired with ONLY reserves that lane for the movement shown.
Verified against Illinois Rules of the Road, July2026 · Left-turn-only lane sign · p. 70
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