Question 1

Blood Alcohol Concentration (BAC)

Accepted Answer

The percentage of alcohol in a person's bloodstream, used to determine intoxication levels.

Question 2

Yield Sign

Accepted Answer

A triangular road sign that indicates drivers must give the right-of-way to oncoming traffic or pedestrians.

Question 3

Double Solid Yellow Lines

Accepted Answer

Road markings that prohibit drivers from crossing over into the opposing lane to overtake or pass other vehicles.

Question 4

Advisory Speed Limit

Accepted Answer

A recommended speed for a specific section of the road, usually due to hazardous conditions or construction.

Question 5

Roundabout

Accepted Answer

A circular intersection where traffic flows in a counterclockwise direction, and vehicles yield to those already in the circle.

Question 6

School Zone

Accepted Answer

A designated area near a school with reduced speed limits during certain hours to ensure the safety of students.

Question 7

Hydroplaning

Accepted Answer

A condition where tires lose contact with the road surface due to water buildup, resulting in reduced control of the vehicle.

Question 8

No-Zone

Accepted Answer

Blind spots around a large commercial vehicle, such as a truck or bus, where the driver's visibility is limited.

Question 9

Distracted Driving

Accepted Answer

Any activity that diverts a driver's attention from the primary task of operating a vehicle, such as texting or talking on the phone.

Question 10

Velocitation

Accepted Answer

The tendency of drivers to unconsciously accelerate while driving on a road with a higher speed limit after driving on a slower road.

Question 11

Uncontrolled Intersection

Accepted Answer

An intersection with no traffic signs or signals, where drivers must use caution and yield to vehicles from the right.

Question 12

Shared Center Turn Lane

Accepted Answer

A lane located in the center of a road that is used for making left turns from both directions of traffic.

Question 13

Hard Shoulder

Accepted Answer

The emergency lane on the right side of a roadway, designated for disabled vehicles or emergencies.

Question 14

Regulatory Signs

Accepted Answer

Traffic signs that provide specific instructions or laws that drivers must follow, such as stop signs or speed limit signs.

Question 15

Hand-Over-Hand Steering

Accepted Answer

A method of steering a vehicle where the driver's hands cross over each other on the steering wheel.

Question 16

Controlled-Access Highway

Accepted Answer

A road or highway with limited access points, such as interstates or freeways, where entry is controlled by ramps.

Question 17

Acceleration Lane

Accepted Answer

A short lane on a highway entrance ramp that allows drivers to increase speed and merge safely into the flow of traffic.

Question 18

Highway Hypnosis

Accepted Answer

A trance-like state that can occur during long, monotonous drives, causing drivers to become unaware of their surroundings.

Question 19

No Passing Zone

Accepted Answer

A section of road where passing other vehicles is prohibited due to limited visibility or other safety concerns.

Question 20

Head-On Collision

Accepted Answer

A type of crash that occurs when the front ends of two vehicles collide while traveling in opposite directions.

Question 21

Tailgating

Accepted Answer

Driving too closely behind another vehicle, which reduces the time available to react to sudden changes in traffic conditions.

Question 22

Oversteer

Accepted Answer

A vehicle's tendency to turn more sharply than intended due to excessive steering input or loss of traction on the rear wheels.

Question 23

Understeer

Accepted Answer

A vehicle's tendency to continue in a straight line instead of turning as desired due to insufficient traction on the front wheels.

Question 24

White Cane Law

Accepted Answer

A law that requires drivers to yield to pedestrians who are blind or visually impaired using a white cane or guide dog.

Question 25

Anti-Lock Braking System (ABS)

Accepted Answer

A safety system that prevents wheel lock-up during hard braking, allowing the driver to maintain steering control.

Question 26

Traffic Calming

Accepted Answer

Techniques used to slow down or reduce traffic flow, such as speed bumps, roundabouts, or narrowed roadways.

Question 27

Exit Ramp

Accepted Answer

A designated lane that allows drivers to leave a highway or freeway and transition to a connecting road or interchange.

Question 28

Rural Roads

Accepted Answer

Roads located in sparsely populated areas outside urban or suburban regions, often characterized by lower traffic volume and higher speed limits.

Question 29

Studded Tires

Accepted Answer

Tires with metal studs embedded in the tread for improved traction on icy or snowy roads, typically used during winter months.

Question 30

Farm Vehicle

Accepted Answer

A motor vehicle primarily used in agricultural activities, such as tractors, combines, or other machinery, often traveling at slower speeds.

Question 31

Whiteout

Accepted Answer

A weather condition where heavy snowfall and strong winds create a complete loss of visibility, making driving extremely dangerous.

Question 32

Deer Crossing

Accepted Answer

Areas on or near roads where deer are known to frequently cross, requiring drivers to be cautious and watch for wildlife.

Question 33

Road Rage

Accepted Answer

Aggressive or violent behavior exhibited by drivers in response to traffic-related frustrations, often leading to dangerous situations.

Question 34

Brake Fade

Accepted Answer

A phenomenon where prolonged or heavy braking causes a temporary loss of braking efficiency due to overheating of the brake system.

Question 35

Construction Zone

Accepted Answer

A section of the road where construction or maintenance work is being performed, usually marked by signs, cones, or barriers.

Question 36

Highway Work Zone

Accepted Answer

An extended construction zone on a highway, typically requiring reduced speed limits and increased driver caution.

Question 37

Traffic Incident

Accepted Answer

Any unexpected event on the road, such as a crash, vehicle breakdown, or debris, which can disrupt traffic flow.

Question 38

Traction Control

Accepted Answer

A vehicle's electronic system that helps prevent wheel spin and loss of control by reducing engine power or applying braking to individual wheels.

Question 39

No Parking Zone

Accepted Answer

An area where parking is prohibited, often designated by signs or painted curbs, typically for safety or traffic flow reasons.

Question 40

Right of Way

Accepted Answer

The legal right of a driver or pedestrian to proceed before others in certain situations, typically determined by traffic rules and signs.

Question 41

Blind Spot

Accepted Answer

Areas around a vehicle that are not visible to the driver through the mirrors, requiring extra caution when changing lanes or making turns.

Question 42

Traffic Circle

Accepted Answer

A circular intersection with multiple entry points where vehicles travel counterclockwise and yield to traffic already in the circle.

Question 43

Reduced Speed Ahead

Accepted Answer

A warning sign indicating that drivers should prepare to slow down and adjust their speed for upcoming changes in road conditions.

Question 44

Pothole

Accepted Answer

A depression or cavity in the road surface, usually caused by weathering or heavy traffic, which can damage vehicles or cause loss of control.

Question 45

Child Passenger Safety Seat

Accepted Answer

A specially designed seat or restraint system for children, providing protection in the event of a vehicle collision.

Question 46

Roadway Departure

Accepted Answer

When a vehicle veers off the roadway unintentionally, often resulting in crashes or collisions with objects or other vehicles.

Question 47

Shared Lane Markings

Accepted Answer

Road markings consisting of arrows and bicycle symbols indicating that motorists and cyclists must share the same lane.

Question 48

Emergency Vehicle

Accepted Answer

A vehicle used by law enforcement, fire departments, or medical services to respond to emergencies, often with priority on the road.

Question 49

Speed Limit

Accepted Answer

The maximum legal speed at which vehicles can travel on a specific road or highway, indicated by signs or other posted speed limits.

Question 50

Highway Advisory Radio

Accepted Answer

A system that broadcasts real-time traffic information, weather updates, or emergency messages to motorists on specific frequencies.

Question 51

Shoulder Check

Accepted Answer

A quick glance over the shoulder to check the blind spot before changing lanes or making a turn, ensuring there are no approaching vehicles.

Question 52

Graduated Driver Licensing (GDL)

Accepted Answer

A system that gradually introduces driving privileges to new and inexperienced drivers, typically involving learner's permits and restrictions.

Question 53

HOV Lane

Accepted Answer

High-Occupancy Vehicle lane, a designated lane on highways or freeways that is reserved for vehicles with multiple occupants, such as carpoolers.

South Dakota Driver's Permit Test Flashcards