What does this No Left Turn sign require of a driver in the lane where it is posted?
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A.
Continue straight or use another approved movement; a left turn from that lane is prohibited. Correct
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B.
Make the left turn only after coming to a complete stop and yielding to oncoming traffic.
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C.
Make the left turn only when a green arrow is displayed on the traffic light.
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D.
The prohibition applies only during the hours shown on a plaque mounted below the sign.
The answer is "Continue straight or use another approved movement; a left turn from that lane is prohibited."
The sign forbids a left turn from that lane at any time, so a driver must continue straight or use another approved movement. The trap is the time-of-day answer, which reads the exception as the base rule; a supplemental time plaque is needed to limit the prohibition to certain hours, and without one the sign applies full-time.
The traps in the wrong answers
B. Make the left turn only after coming to a complete stop and yielding to oncoming traffic.
A left turn from that lane is not permitted at all; stopping and yielding does not create an exception to the prohibition. This answer treats the sign like an unprotected left-turn scenario where yielding to oncoming traffic grants entry into the turn.
C. Make the left turn only when a green arrow is displayed on the traffic light.
The prohibition holds whether or not the signal shows a green arrow; the sign controls the movement, not the signal indication. This answer confuses the flat prohibition with a protected-left-turn signal that permits the turn only on a green arrow.
D. The prohibition applies only during the hours shown on a plaque mounted below the sign.
A time plaque must be mounted below to limit the prohibition to certain hours; without one the sign applies at all times. This answer reads the supplemental time-plaque exception as the base rule and assumes limited hours when no plaque is posted.
This question tests your knowledge of Regulatory Signs on the roads of every US state . Source: Manual on Uniform Traffic Control Devices, sign R3-2 (No Left Turn)..
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