Unofficial study aid. Not affiliated with or endorsed by the U.S. DOT, the FMCSA, or the South Dakota licensing agency. Rules change: always confirm with the official South Dakota CDL manual. Practice does not guarantee a passing score on the official test.
1.Under South Dakota law, what must you do when approaching a stopped emergency vehicle using red visual signals?
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Correct answer: A. Come to a complete stop before reaching it, then proceed with caution when safe South Dakota law requires all motorists approaching an authorized emergency vehicle using red visual signals to come to a complete stop before reaching it, and proceed with caution only when safe.
2.On a South Dakota two-lane highway, when approaching a stopped vehicle with amber, yellow or blue warning lights, how much must you slow down?
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Correct answer: D. To at least 20 mph below the posted limit South Dakota: on two-lane highways, at least 300 feet before the vehicle, slow to at least 20 mph less than the posted limit (or 5 mph when the limit is 20 mph or less).
3.On South Dakota highways with two or more lanes in your direction, how far before a stopped vehicle with warning lights must you merge into the farthest lane?
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Correct answer: B. At least 300 feet South Dakota: on interstates or highways with two or more lanes in the same direction, merge into the lane farthest from the vehicle at least three hundred feet before it.
4.In South Dakota, violating the law on approaching stopped emergency or warning-light vehicles is what class of offense?
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Correct answer: D. Class 2 misdemeanor South Dakota: a violation of this law is a Class 2 misdemeanor; causing an accident while violating it can be a Class 1 misdemeanor.
5.In South Dakota, how long are passed CDL knowledge tests and fees valid?
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Correct answer: D. 6 months South Dakota: all passed knowledge tests and fees are valid for 6 months.
6.What license must you hold to get a South Dakota CLP?
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Correct answer: C. A valid South Dakota Class 1 or Class 2 operator's license South Dakota: to get a CLP, be at least 18 and hold a valid South Dakota Class 1 or Class 2 operator's license.
7.In South Dakota, where may the accompanying CDL holder sit when the CLP holder drives a passenger vehicle?
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Correct answer: A. Beside the driver or directly behind South Dakota: the accompanying CDL holder must be 21, licensed for the vehicle, and occupy a seat beside the driver or directly behind if in a passenger vehicle.
8.In South Dakota, all three skills test segments must be passed on what?
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Correct answer: D. The same CLP South Dakota: you must hold a CLP for 14 days and pass all three segments of the skills test on the same CLP.
9.In South Dakota, if a military knowledge and skills test waiver is approved, how long do you have to get it processed at an exam station?
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Correct answer: C. 6 months from the approval letter South Dakota: if approved, the applicant has 6 months from the date of the approval letter to visit a driver license exam station to have the waiver processed.
10.In South Dakota, what happens if you fail to convert your expired CLP to a CDL within 180 days?
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Correct answer: A. You must reapply and pass both knowledge and skills tests South Dakota: you have up to 180 days after your CLP expires to convert it to a CDL. If you fail to convert within 180 days, you must reapply and pass both the knowledge and skills tests.
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