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Wisconsin Class D Knowledge Test Practice
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Regulatory, Lane & Parking SignsStandalone practice
You drive at 55 mph on a highway near a town. You pass this yellow diamond sign, which shows a black upward arrow above SPEED LIMIT 45. The next speed limit sign, some distance ahead, shows 45. What should you do?

Correct answer: Start to slow down now, so that you are at 45 mph or less when you pass the 45 sign.
Why
Speed limits often drop where a highway enters a town, a school area or a work zone. When you slow down early and smoothly, the drivers behind you have time to react. This warning gives advance notice of the lower limit; meet that limit where the new speed limit sign stands.
Verified against Wisconsin Motorists' Handbook · Regulatory signs · p. 28
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