What does this No Right Turn sign require of a driver in the lane where it is posted?
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A.
Stop before turning right, then proceed when the way is clear.
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B.
Continue straight or use another approved movement instead of turning right. Correct
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C.
Yield to any crossing traffic before completing a right turn.
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D.
Turn right only when a green arrow signal is showing.
The answer is "Continue straight or use another approved movement instead of turning right."
The sign forbids a right turn at that intersection or driveway from the lane where it's posted, so a driver in that lane continues straight or uses another approved movement. The stop-then-turn answer pulls at drivers who carry a stop-sign habit into a white regulatory sign, treating a full stop as permission to complete the turn; the R3-1 is an outright prohibition, and no amount of stopping first satisfies it.
The traps in the wrong answers
A. Stop before turning right, then proceed when the way is clear.
Right turns are forbidden from this lane, so no stopping-and-proceeding sequence completes the movement. This answer carries the stop-sign habit of stopping first and then proceeding into a sign that grants no such exception.
C. Yield to any crossing traffic before completing a right turn.
The sign bans the right turn outright and does not convert it into a yield-and-go movement. This answer reads a white square regulatory prohibition as if it were the yellow yield sign a careful driver can still complete.
D. Turn right only when a green arrow signal is showing.
A green right-arrow signal does not by itself cancel a posted No Right Turn sign; the driver follows the posted prohibition unless an official supplemental plaque or traffic control specifically permits the movement. This answer extends the habit from intersections without such a sign, where a green right-arrow does permit the turn, to one where the R3-1 prohibition 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 R3-1 (No Right Turn)..
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