You approach this No U-Turn sign and need to reverse your direction of travel. What does the sign require?
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A.
Continue past and use a designated turnaround or another intersection. Correct
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B.
Complete the U-turn only when the road is clear of oncoming traffic.
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C.
Complete the U-turn only from the leftmost lane on a green signal.
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D.
Turn left here instead, since the sign forbids only left turns.
The answer is "Continue past and use a designated turnaround or another intersection."
A No U-Turn sign forbids reversing direction by turning 180 degrees through this intersection or median opening, so a driver who needs to turn around continues past and uses a designated turnaround or another intersection where U-turns are allowed. Drivers who read the sign as a yield-style caution pick the answer that waits for a clear oncoming lane; the sign is a prohibition, not a caution about traffic, and a clear lane does not make the U-turn legal here.
The traps in the wrong answers
B. Complete the U-turn only when the road is clear of oncoming traffic.
The sign is a prohibition, not a yield, so no gap in oncoming traffic makes a U-turn legal at a location where this sign is posted. This answer reads the sign as a Yield-style advisory that unlocks the maneuver once oncoming traffic clears.
C. Complete the U-turn only from the leftmost lane on a green signal.
Lane position and signal phase do not unlock a U-turn at a No U-Turn location; the sign forbids the maneuver regardless of which lane the driver is in. This answer borrows the protected-left-turn convention (leftmost lane, green arrow) and applies it to a maneuver the sign forbids outright.
D. Turn left here instead, since the sign forbids only left turns.
This sign shows a U-turn arrow crossed out, not a left-turn arrow, and it says nothing about ordinary left turns. This answer confuses the R3-4 No U-Turn sign with the R3-2 No Left Turn sign and flips which maneuver the crossed-out arrow forbids.
This question tests your knowledge of Regulatory Signs on the roads of every US state . Source: Manual on Uniform Traffic Control Devices, sign R3-4 (No U-Turn)..
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