Random Practice Exam (South Dakota) (South Dakota) - 2026 DMV Practice Test

Question 1:

A defensive driver:

never drives below the speed limit.

knows when it is safe to pass other vehicles.

considers what other drivers might do and is always prepared to act.

Question 2:

What is the slow moving vehicle symbol?

A reflective yellow diamond

A reflective white triangle

A reflective orange triangle

Question 3:

You are approaching an intersection with a traffic signal indicating a steady yellow light. If you have not already entered the intersection, you should:

slow down and proceed with caution through the intersection.

speed up to cross the intersection before the light turns red.

stop before entering the intersection if it is safe to do so.

Question 4:

This sign means:

No traffic signal ahead

Traffic signal ahead

Open intersection ahead

Question 5:

A driver cuts off another vehicle, or threatens another motorist or a pedestrian. These are examples of:

excessive driving

road rage

defensive driving

Question 6:

At a school crossing, drivers should:

always stop, whether there’s a stop sign or not.

always sound their horn and stay alert.

watch for children and be ready to stop.

Question 7:

This sign warns drivers of:

low clearance.

a narrow bridge ahead.

a low place in the road.

Question 8:

When children are close, what should you do before you back out of a driveway?

Rely on your mirrors.

Get out of the car and check behind the car.

Look through your back window for children.

Question 9:

This sign warns of a ________ ahead.

hill

no passing zone

soft shoulder

Question 10:

A thumping sound can be a warning:

that a tire blowout is about to occur.

of a steering failure.

of a brake failure.

Question 11:

This sign warns drivers that:

the road will make a sharp turn to the right.

right turns are not allowed.

another road enters the highway from the direction shown.

Question 12:

You have stopped for a train at a railroad crossing. After the train passes, you must:

look to see if another train is coming, then cross the tracks if it is safe to do so.

watch for vehicles that must stop at railroad crossings (school buses, vehicles carrying hazardous materials, etc.).

All of the above.

Question 13:

No Zones are areas around trucks where cars:

disappear into blind spots or are so close to the truck that the driver's ability to stop or maneuver safely is restricted.

can turn safely because several car lengths have been left between the truck and car.

can travel behind trucks at constant speed and have no risks of being involved in a collision.

Question 14:

This road sign means:

No left turn

No U-turn

Detour ahead

Question 15:

When driving in fog, drivers should use:

low beam headlights.

parking lights.

high beam headlights.

Question 16:

Which statement about drinking alcohol and driving is true?

Alcohol affects judgement and coordination, which are needed to drive safely.

After drinking, a cold shower will sober you up.

If you are under the legal BAC limit, your driving is not affected.

Question 17:

While inside the roundabout, you should:

remain in your lane until you are ready to exit.

change lanes before you check for vehicles behind you.

use your left turn signal if you are in position to exit now.

Question 18:

A bad car suspension can cause:

pumping brakes.

vehicle control problems.

squealing brakes.

Question 19:

An edge line that angles toward the center of the road indicates that:

the road is narrower ahead.

there’s a narrow bridge ahead.

you must turn right.

Question 20:

When driving in fog, you should never use your high beams because:

the light will reflect back into your eyes.

vehicles behind you may follow too closely.

oncoming vehicles might not see you.

Question 21:

When driving in work zones, drivers should:

closely follow the driver in front of them.

reduce their speed and be prepared to stop.

maintain their speed through the work zone.

Question 22:

Where are yield signs usually placed?

At intersections, if there is no marked stop line.

Where auxiliary roads lead into major roads.

Where major roads lead into auxiliary roads.

Question 23:

This sign indicates:

Phone service ahead

Emergency line available

Cell phone shop ahead

Question 24:

The octagonal shape is used:

for stop signs and railroad advance warning signs.

exclusively for stop signs.

to warn drivers of existing or possible hazards on roadways.

Question 25:

This road sign means:

Drivers may proceed if the way is clear

Drivers are about to enter a one way street the wrong way

U-turns are prohibited

Question 26:

This road sign means:

Divided highway ahead - stay to the right

Do not enter

Do not pass

Question 27:

To make a proper right turn:

swing to the left before turning right.

slow down and get into the lane nearest the centerline.

give the proper signal and get into the lane nearest the right curb.

Question 28:

Where there is no bicycle lane, where on the road must a bicyclist ride?

on the left shoulder of the road.

near the right curb or edge of the road.

near the left edge of the road.

Question 29:

The amount of alcohol in the blood is measured by:

blood alcohol concentration (BAC).

Number of Drinks (NOC).

Amount of Alcohol Drunk (AAD).

Question 30:

When they see a yellow X signal, drivers should:

come to a complete stop at the marked stop line.

turn off the ignition.

prepare to leave the lane safely.

Question 31:

When passing another vehicle, you should:

assume the other vehicle will maintain a constant speed.

check your mirrors and blind spots.

drive at the same speed as the vehicle you are passing.

Question 32:

This road sign means:

Left turns are not allowed where this sign is displayed.

Drivers cannot make a complete turn to go in the opposite direction.

Vehicles turning left must make a U-turn.

Question 33:

You are entering a roadway from a private road, and you need to turn left. You have to yield to:

vehicles from the right.

vehicles from the left.

vehicles from both directions.

Question 34:

This sign warns drivers that:

they must turn either to the right or left.

there is a double curve ahead.

there is a winding road ahead.

Question 35:

To drive defensively, you must:

avoid scanning the road ahead.

keep one hand on the steering wheel.

keep your eyes moving.

Question 36:

What is the meaning of red traffic signs?

High emphasis warning.

Stop, do not enter or wrong way.

Regulatory.

Question 37:

This road sign means:

Yield

Look both ways before crossing the intersection

Crossroads ahead

Question 38:

If a pedestrian is illegal crossing in the middle of the street (not at a crosswalk) you:

do not have to stop for them.

should increase your speed, honk your horn and proceed.

must stop for them.

Question 39:

What does the pictured signal indicate?

A pedestrian may begin crossing the street.

Pedestrians may turn right.

A pedestrian may not not begin crossing the street.

Question 40:

This road sign means:

Wrong Way

Merging Traffic

Curve ahead

Question 41:

Sudden wind gusts on highways:

are generally caused by dust and dirt blowing around.

can cause one to lose control of their vehicle.

only affect large vehicles.

Question 42:

__________________ is a safe driving technique.

Using your high beam lights in the fog

Starring at the road ahead of your vehicle

Checking your rearview mirrors frequently

Question 43:

A flashing red light:

is used at dangerous intersections.

means the same thing as a stop sign.

All of the above.

Question 44:

This road sign means:

Pedestrian crossing

School zone

School crossing

Question 45:

If a traffic officer signals you to drive through a red light:

you must do it.

you must wait for the red light to turn green.

you must not obey the officer. Signs and signals take precedence over directions given by traffic officers.

Question 46:

An octagonal sign means that drivers must:

respect the posted speed limit.

come to a complete stop at the marked stop line.

be aware possible hazards ahead.

Question 47:

Gauging the speed of a motorcycle may be difficult because:

motorcycles take up less of your field of vision.

motorcycles often slow down by downshifting.

many motorcyclists do not activate the brake light.

Question 48:

Road signs that direct drivers to services are:

brown and white.

blue and white.

green and white.

Question 49:

Are drivers allowed to exceed the speed limit to pass other vehicles?

Yes, but only by 10 MPH or less.

No.

Yes, but only if they drive with caution.

Question 50:

Which shape is a stop sign?

Diamond

Octagon

Upside-down triangle

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Random Practice Exam (South Dakota)

Random Practice Exam (South Dakota)

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Random Practice Exam (South Dakota)

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