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South Dakota Operator License Knowledge Practice Test

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Passing target: 80% (24/30)

Traffic Signals & Road MarkingsStandalone practice

You are in a left-turn lane. Your signal shows a steady red arrow that points left, and the lights for traffic that goes straight are green. What must you do?

Blue A occupies a marked left-turn lane at an intersection. Its enlarged signal shows a steady red left arrow. Silver B occupies a separate straight-through lane under green. No turn route or action caption is present.

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You drive on a one-way street with two lanes. A broken white line separates your lane from the lane on your left. You want to move into the left lane. What does this line tell you?A storm has cut the power, and the traffic signal at your intersection is completely dark. No officer is directing traffic. What must you do?On a two-lane highway, the center line is two solid yellow lines. The car ahead of you goes 10 mph below the limit, and the oncoming lane is clear for a long way. What should you do?At night on a rural highway, the signal at the next intersection flashes red in your direction. You see no other vehicle. What must you do?You wait in a left-turn lane. The signal for your lane shows a flashing yellow arrow that points left, and oncoming traffic has a green light. What may you do?At an intersection, the signal that faces you shows a round yellow light that flashes on and off. What should you do?

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