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Illinois Class D Written Exam Practice
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Observation, Speed & SpaceStandalone practice
You approach a sharp curve at a speed that is too high for it. Where should you reduce speed?
A blue car approaches a left-hand curve on the right side of a two-way road. It remains on the straight approach before the road bends; a yellow center line separates opposing traffic.
Correct answer: Before entering the curve.
Why
Reduce speed before the curve, then steer smoothly and stay on your side of the road. Abrupt braking in the curve can cause a skid or lock the wheels. Read curve warnings and advisory speeds, and adjust further for weather, visibility, and surface conditions.
Verified against Illinois Rules of the Road, July2026 · Slow before a curve · p. 90
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