A circular sign has a blue background and a white number 30. What does it mean?
Answer and explanation
Correct answer: C. You must not drive slower than 30 mph unless it is unsafe to go faster
- Step 1: A blue circle gives a positive order, and a red ring gives a prohibition. Step 2. A blue number is a minimum speed, so it is the opposite of the red-ringed limit. Answer: You must not drive slower than 30 mph unless it is unsafe to go faster. Why not the others: A maximum limit would have a red ring, the end of a limit has a black stripe, and advisory speeds use a rectangular plate.
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More Regulatory Signs questions
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