South Dakota DMV Practice Test

Question 1

In South Dakota, when following a large farm vehicle on a rural road, you should:

Accepted Answer

Stay well back to see around it and give it room to turn

Answer

Follow closely so you can pass quickly when able

Answer

Pass immediately on any straight section

Answer

Honk to encourage it to pull over

Question 2

In South Dakota, when may you turn left on a red light?

Accepted Answer

When turning from a one-way street onto another one-way street, after stopping

Answer

Left on red is never legal in South Dakota

Answer

At any intersection after stopping if no sign prohibits it

Answer

Only between 10 pm and 6 am

Question 3

In South Dakota, what does a yellow flashing arrow at a left-turn signal mean?

Accepted Answer

You may turn left but must yield to oncoming traffic

Answer

Left turns are prohibited during this phase

Answer

You have a protected left turn — proceed without yielding

Answer

The left turn signal is about to become protected

Question 4

To prevent your windows from fogging up, you should:

Accepted Answer

Use the defrost setting with the AC on

Answer

Turn off all ventilation

Answer

Open the sunroof only

Answer

Lower the temperature inside

Question 5

What is the 'mirror-signal-maneuver' (MSM) routine?

Accepted Answer

Check the mirror first, signal intention, then execute the maneuver - ensures you are aware of what is behind before acting

Answer

Signal first, then check mirror, then maneuver

Answer

Maneuver, then signal to inform others of your action

Answer

Mirror and signal are optional if the road appears clear

Question 6

Who is required to wear a seat belt in the vehicle?

Accepted Answer

All occupants in the vehicle

Answer

Only the driver

Answer

Driver and front seat passengers

Answer

Only passengers under 18

Question 7

Traffic in a roundabout moves:

Accepted Answer

Counterclockwise

Answer

Clockwise

Answer

In both directions

Answer

Depends on the state

Question 8

Motorcycles are particularly vulnerable to vehicle blind spots because:

Accepted Answer

Their smaller size means they can be hidden in blind spots that would reveal a car - always do a head check before lane changes

Answer

Motorcycles always ride in blind spot zones

Answer

Motorcycles have no mirrors to see other vehicles

Answer

Motorcycles are too fast to be seen in mirrors

Question 9

The Move Over Law was primarily enacted to protect:

Accepted Answer

Emergency responders, tow truck operators, and roadside workers

Answer

Construction vehicle operators only

Answer

Drivers who have broken down on the shoulder

Answer

Pedestrians crossing near stopped vehicles

Question 10

In South Dakota, refusing a chemical test after a DUI arrest results in:

Accepted Answer

Automatic license revocation for one year

Answer

No consequence — refusal is protected

Answer

A 90-day suspension only

Answer

Revocation only if the driver is convicted of DUI

South Dakota DMV Practice Test

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