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North Carolina Class C Knowledge Test Practice
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Regulatory, Lane & Parking SignsStandalone practice
You drive on a paved two-lane highway with a marked centerline, outside any city or town. You pass a white rectangular sign that reads SPEED LIMIT 45. What is the highest speed you may legally drive here in good conditions?
Correct answer: 45 mph, the number posted on the sign for this road
Why
On a paved road with a marked centerline, North Carolina's default limits are 35 mph in cities and towns and 55 mph outside them, but a posted sign replaces the default on that road. Speed limit signs are white rectangles with black letters, like other regulatory signs. The posted number is a top limit for good conditions, so rain, fog or heavy traffic can require a lower speed.
Verified against North Carolina Driver Handbook · Regulatory Signs · p. 85, 55, 88
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