You approach a roundabout entry marked with a row of solid white triangles pointing toward you. What does the marking require before you cross it?
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A.
Yield to traffic in the roundabout and cross only when safe. Correct
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B.
Come to a complete stop before entering, then proceed.
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C.
Maintain speed and merge into any gap you find.
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D.
Wait for a driver in the circle to wave you in.
The answer is "Yield to traffic in the roundabout and cross only when safe."
The row of triangles is a yield line, and it puts the duty to yield on you. Slow down, watch for traffic and pedestrians already in the circle, and cross only when there is a safe gap. The trap is the answer that requires a full stop; drivers reach for it by treating the triangles like a stop bar. A stop bar is a single solid white line spanning the lane and it is what a stop sign uses, while shark's teeth signal yielding, not stopping.
The traps in the wrong answers
B. Come to a complete stop before entering, then proceed.
A row of shark's-teeth triangles does not require a full stop; the marking that requires stopping is a single solid white bar spanning the lane. This answer treats the shark's-teeth pattern as if it were the stop bar used at a stop sign.
C. Maintain speed and merge into any gap you find.
Rolling in at speed ignores the whole point of the marking, which is to make you slow down and give way before entering. This answer carries a freeway on-ramp merging habit into a controlled yield point.
D. Wait for a driver in the circle to wave you in.
The yield line already assigns priority to circulating traffic; you enter when a gap is safe, not when a stranger gestures. This answer leans on informal courtesy where the marking itself already sets who has the right-of-way.
This question tests your knowledge of Road Markings on the roads of every US state . Source: Manual on Uniform Traffic Control Devices, marking 3B.19 (Yield Line (Shark's Teeth))..
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