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North Dakota Class D Knowledge Practice Test
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Passing target: 80% (24/30)
Regulatory, Lane & Parking SignsStandalone practice
On a dry, clear afternoon with light traffic, you pass a white rectangular sign that reads SPEED LIMIT 45. What does the number 45 mean?
Correct answer: It is the highest speed allowed there, set for ideal conditions
Why
Where no sign is posted, state law sets default limits, for example 25 mph in business and residence districts. A posted sign sets the limit for that road, and conditions such as snow, rain or heavy traffic can require a lower speed. Speed limit signs are normally on the right side of the road, so look there after you turn onto a new road.
Verified against 2025-2027 Class D Noncommercial Driver License Manual · Regulatory signs · p. 13, 15
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