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Illinois Class D Written Exam Practice
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Warning, Construction & Information SignsStandalone practice
An orange diamond shows a person holding a flag. What should a driver be ready to do?
Correct answer: Slow down and obey the flagger's signals.
Why
A flagger warning means a trained worker may stop, release, or redirect traffic ahead.
Verified against Illinois Rules of the Road, July2026 · Flagger-ahead warning · p. 76
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