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Illinois Class D Written Exam Practice
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Warning, Construction & Information SignsStandalone practice
What does the orange triangular emblem with a red border on the rear of a vehicle tell you?
Correct answer: A slow-moving vehicle; slow down and pass only when safe.
Why
This is the slow-moving vehicle emblem. Slow down early, leave a safe gap, and pass only when it is legal and safe. The emblem does not cancel lane markings or right-of-way rules.
Verified against Illinois Rules of the Road, July2026 · Slow-moving vehicle emblem · p. 77
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