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South Dakota Operator License Knowledge Practice Test
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Passing target: 80% (24/30)
Warning, Construction & Information SignsStandalone practice
On a two-lane highway, you follow a car that goes 10 mph below the speed limit. On the left edge of the road, you see a yellow pennant-shaped sign with the words NO PASSING ZONE. When may you pass the car?

Correct answer: When the no-passing zone has ended and a pass is safe
Why
A solid yellow line on your side of the center line usually marks the same zone. When the zone ends, pass only if you can see far enough ahead and return to your lane safely. South Dakota law also prohibits a U-turn in a marked no-passing zone.
Verified against South Dakota Driver License Manual · No Passing Signs · p. 35
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