South Dakota Permit Practice Test

A blue painted curb means:

Explanation. Blue curbs are reserved for vehicles displaying a valid disabled placard or plate.

The most common cause of rear-end collisions is:

Explanation. Following too closely (tailgating) accounts for the majority of rear-end crashes. Maintain at least three seconds of following distance.

What is the current fee for a learner's permit in South Dakota?

Explanation. South Dakota currently charges $28 for a learner's permit. Fees change occasionally — verify with the SD DPS before your visit.

When you hear a siren and see flashing emergency lights approaching from any direction, you must:

Explanation. Pull to the right edge of the road and stop until all emergency vehicles have passed. Never block an intersection — drive through and then pull over.

A pennant-shaped sign on the LEFT side of the road tells you:

Explanation. The yellow pennant is the "No Passing Zone" sign. It is the only sign posted on the left side of the road.

You may not park within ___ feet of a railroad crossing.

Explanation. 50 feet from the nearest rail of a railroad crossing is the standard prohibited distance.

When you are about to be passed by another vehicle, you should:

Explanation. Maintain a steady speed and stay in your lane while being passed. Speeding up makes the pass dangerous and prolongs it.

You may legally drive on the shoulder:

Explanation. The shoulder is for emergencies and authorized vehicles. Driving on it to bypass traffic is illegal and a moving violation.

If you move to South Dakota from another state with a valid out-of-state license, you generally must:

Explanation. Most new South Dakota residents must transfer to a South Dakota driver's license within 30–60 days of establishing residency. The SD DPS will accept your out-of-state license with proof of residency and identity, often without a road test.

In a four-wheel skid, you should:

Explanation. "Steer into the skid" — point the wheels where you want the car to go and ease off the gas. Sudden braking worsens a skid.

For drivers under 21, the BAC limit in every state is:

Explanation. All 50 states have zero-tolerance laws for drivers under 21. The limit is 0.02% or less — practically any detectable alcohol.

A blind pedestrian carrying a white cane has stepped into the crosswalk. You must:

Explanation. Pedestrians with white canes or guide dogs always have the right of way, regardless of where they are crossing. Stop and wait.

A safe following distance increases when:

Explanation. Increase following distance when following a motorcycle, towing a trailer, driving in rain or snow, or in heavy traffic.

After receiving your South Dakota learner's permit, you must hold it for at least:

Explanation. South Dakota requires you to hold your learner's permit for at least 6 months before becoming eligible for the road test.

What does a regulatory sign that is octagonal in shape and red in color always mean?

Explanation. The octagonal red sign is reserved exclusively for STOP. You must come to a complete stop before the painted line, crosswalk, or intersection.

You arrive at an intersection where the traffic signals are not working. You should:

Explanation. A non-functioning signal is treated as a four-way stop. Stop completely, then proceed in the order vehicles arrived.

Refusing a chemical test when arrested for DUI typically results in:

Explanation. Refusing a chemical test triggers automatic license suspension in every state — usually 6 months to 1 year for a first refusal.

When parking uphill on a road with a curb, your front wheels should be:

Explanation. Uphill with a curb: turn wheels AWAY from the curb (left). If brakes fail, the car rolls back and the rear tire stops it on the curb.

When driving in heavy rain, you should reduce your speed by approximately:

Explanation. A reduction of about one-third is recommended in rain. In heavy snow or ice, reduce by half or more.

When should you turn on your headlights?

Explanation. Most states require headlights from sunset to sunrise and whenever visibility is below ~1,000 feet (rain, fog, snow, dusk).