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South Dakota Operator License Knowledge Practice Test
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Passing target: 80% (24/30)
Freeways & High-Speed RoadsStandalone practice
You drive on an interstate a little slower than most other traffic. There are two lanes in your direction. Which lane should you use?
Two same-direction interstate lanes are empty, with matching directional arrows and a broken white separator. The card gives the learner’s slower speed; no vehicle is placed in a preferred lane.
Correct answer: The right lane, and move to the left lane only when you pass a vehicle.
Why
Avoid lane changes that you do not need, and keep pace with traffic within the speed limit. SDCL 32-26-1 also requires slow vehicles to keep as close as practical to the right edge of the road.
Verified against South Dakota Driver License Manual · Freeway lane choice · p. 42, 52
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