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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
This yellow plate is mounted under a curve warning sign on a highway posted at 55 mph. What does this plate tell you?
Correct answer: The recommended top speed for the curve when conditions are good.
Why
Slow to the advised speed before you enter the curve, not in it. The plate gives the speed for good conditions only. On wet, icy or dark roads, drive slower than the plate shows.
Verified against South Dakota Driver License Manual · Warning signs · p. 33, 50
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