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Illinois Class D Written Exam Practice
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Warning, Construction & Information SignsStandalone practice
The yellow warning sign shown identifies a narrow bridge. What should a driver expect?

Correct answer: The bridge is narrower than the road.
Why
The bridge roadway is narrower than the roadway approaching it. Slow as needed, keep a safe lane position, and watch approaching traffic. This sign does not announce an extra passing lane or a divided highway.
Verified against Illinois Rules of the Road, July2026 · Narrow-bridge warning · p. 74
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