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South Dakota Operator License Knowledge Practice Test
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Passing target: 80% (24/30)
Regulatory, Lane & Parking SignsStandalone practice
On a clear, dry day with light traffic, you drive on a highway where a sign reads SPEED LIMIT 65, with MINIMUM 55 below it. Which speed is lawful here?
Correct answer: 60 mph
Why
Drive at the maximum only in ideal conditions, and slow down in rain, snow, ice or fog. If the posted minimum is too fast for you, use a different road. On an interstate highway, South Dakota law also sets a minimum speed of 40 mph, except for vehicles with a permit and highway maintenance equipment.
Verified against South Dakota Driver License Manual · Speed Limit Signs · p. 35
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