Illinois Class D Written Exam Practice
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How should a driver use an expressway entrance acceleration lane?
Blue A occupies an expressway acceleration lane. Silver B and C occupy the nearest through lane; there is no merge path or selected target before answering.
Correct answer: Signal, find a gap, match traffic speed, and merge when safe.
Why
Use the acceleration lane to approach the speed of traffic within the limit, signal, check mirrors and the blind spot, and select a safe gap. Yield to traffic already on the expressway; enter only when you can merge safely. Do not force another driver to brake or swerve.
Verified against Illinois Rules of the Road, July2026 · Entering through a speed-change lane · p. 29, 89
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