South Dakota DPS Permit Practice Test 2026：第3套练习测试

South Dakota DPS Permit Practice Test 练习测试第3套（共8套）：再练25道题，附答案和解释。

驾驶
南达科他州
205道题
核对于2026年10月10日

第1题，共25题
What does this sign mean?
- The left lane is closed ahead
- If you are in the left lane, you must turn left
- Left turns are not allowed
- You may turn left from any lane
显示答案
答案: B. If you are in the left lane, you must turn left
Get into the correct lane early. If you are in the left lane, you have to turn left at the intersection.
第2题，共25题
You see this orange and red triangle on the back of a farm tractor. What does it mean?
- The vehicle moves much slower than normal traffic, so slow down early
- The vehicle is about to turn
- The vehicle is an emergency vehicle
- The vehicle is carrying hazardous materials
显示答案
答案: A. The vehicle moves much slower than normal traffic, so slow down early
The slow-moving vehicle emblem is used on farm equipment, construction equipment and animal-drawn vehicles.
第3题，共25题
You are in the middle of an intersection when you hear a siren behind you. What should you do?
- Drive out of the intersection, then pull to the right and stop
- Back up out of the intersection
- Turn left right away
- Stop in the middle of the intersection
显示答案
答案: A. Drive out of the intersection, then pull to the right and stop
Do not stop inside an intersection. Clear it first, then pull over to the right and stop.
第4题，共25题
What information should drivers exchange after a crash?
- Nothing, because the police handle it
- Only phone numbers
- Names, addresses, driver license numbers, vehicle registration and insurance
- Only the names of their insurance companies
显示答案
答案: C. Names, addresses, driver license numbers, vehicle registration and insurance
Give and get names, addresses, license numbers, registration and insurance details from the other drivers involved.
第5题，共25题
Your car stalls on railroad tracks and a train is coming. What should you do?
- Try to push the car off the tracks
- Run along the tracks away from the train
- Stay in the car and keep trying to start it
- Get everyone out and walk away from the tracks at an angle toward the train
显示答案
答案: D. Get everyone out and walk away from the tracks at an angle toward the train
Get out right away. Moving toward the train at an angle keeps you away from flying debris, which spreads in the direction the train is going.
第6题，共25题
Which numbered marking means that drivers from both directions may not pass?
- Marking 5
- Marking 3
- Marking 2
- Marking 4
显示答案
答案: B. Marking 3
A double solid yellow line (marking 3) means no passing in either direction.
第7题，共25题
Which road users are especially hard to see at night?
- Trucks with clearance lights
- Police cars with lights flashing
- Buses with interior lights on
- Pedestrians, bicyclists and motorcyclists
显示答案
答案: D. Pedestrians, bicyclists and motorcyclists
People walking, cycling or riding motorcycles are much harder to see in the dark. Slow down and look carefully.
第8题，共25题
Where is this pennant-shaped sign placed?
- On the right side of the road
- Only on freeway on-ramps
- Over the middle of the road
- On the left side of the road
显示答案
答案: D. On the left side of the road
The yellow pennant is posted on the left side of two-lane roads, where you look before passing. It marks the start of a no-passing zone.
第9题，共25题
Reading or sending a text takes your eyes off the road for about 5 seconds. At 55 mph, how far do you travel in that time?
- About 10 feet
- About one car length
- About one mile
- About the length of a football field
显示答案
答案: D. About the length of a football field
At 55 mph, 5 seconds of looking at a phone is like driving the length of a football field with your eyes closed.
第10题，共25题
What does this sign mean?
- The road becomes divided
- A narrow bridge is ahead
- A new lane is added
- The right lane ends; merge left when it is safe
显示答案
答案: D. The right lane ends; merge left when it is safe
If you are in the lane that ends, signal and move over when there is a safe gap. Drivers in the other lane should help by adjusting speed.
第11题，共25题
What does this sign mean?
- The road ahead becomes a divided highway; keep right
- The divided highway ends
- A narrow bridge is ahead
- A crossroad is ahead
显示答案
答案: A. The road ahead becomes a divided highway; keep right
A median or barrier will separate the two directions of traffic. Keep to the right of it.
第12题，共25题
What does this sign mean?
- A bike repair shop is ahead
- Bicycles may cross or enter the road ahead
- The bike lane ends and bicycles must leave the road
- Bicycles are not allowed
显示答案
答案: B. Bicycles may cross or enter the road ahead
Watch for people on bicycles crossing or riding on the road. Slow down and give them plenty of room.
第13题，共25题
A driver holds the left arm out the window, bent upward at the elbow. What does this hand signal mean?
- Hazard ahead
- Slowing down or stopping
- Right turn
- Left turn
显示答案
答案: C. Right turn
The left arm bent upward means a right turn.
第14题，共25题
Which of these is an illegal place to park?
- In a marked space next to the curb
- On a residential street with no signs
- In an open space in a parking lot
- In a crosswalk
显示答案
答案: D. In a crosswalk
You may never park in a marked or unmarked crosswalk, because it blocks people who are crossing.
第15题，共25题
What should you do when you see this sign?
- Pass the car in front before you reach the crosswalk
- Honk to warn the children
- Slow down, watch for children, and stop for anyone in the crosswalk
- Speed up to get past the crosswalk quickly
显示答案
答案: C. Slow down, watch for children, and stop for anyone in the crosswalk
The arrow points to the school crosswalk. Stop for children in the crosswalk and follow any crossing guard. Never pass a vehicle stopped for pedestrians.
第16题，共25题
What does this sign mean?
- Traffic from another road will join your lane; be ready to let it in
- Two lanes become three
- Your lane ends and you must exit
- A divided highway begins
显示答案
答案: A. Traffic from another road will join your lane; be ready to let it in
Traffic is merging from the side shown. Adjust your speed, or change lanes if it is safe, so vehicles can merge smoothly.
第17题，共25题
What does this sign mean?
- 55 mph is the suggested speed for a curve
- Only trucks must keep to 55 mph
- You must drive at least 55 mph
- 55 mph is the fastest you may legally drive here in good conditions
显示答案
答案: D. 55 mph is the fastest you may legally drive here in good conditions
A white speed limit sign shows the maximum legal speed. In bad weather or heavy traffic you must drive slower.
第18题，共25题
Car A and Car B reach this intersection, which has no signs or signals, at about the same time. Which car must yield?
- Whichever car is going faster
- Car B
- Neither car; both may go at once
- Car A
显示答案
答案: D. Car A
At an uncontrolled intersection, if two cars arrive together, the driver on the left yields to the driver on the right. Car B is on Car A's right, so Car A must yield.
第19题，共25题
This yellow plate is posted under a curve sign. What does it tell you?
- The legal speed limit for the whole road is 35 mph
- Only trucks must slow to 35 mph
- The minimum speed is 35 mph
- The recommended speed for the curve is 35 mph
显示答案
答案: D. The recommended speed for the curve is 35 mph
Yellow speed plates give an advisory speed for a curve or hazard in good conditions. Drive slower if the road is wet or icy.
第20题，共25题
What usually happens if you refuse a chemical test after an arrest for impaired driving?
- You get a written warning
- Nothing happens
- Your driver license is suspended or revoked
- You must retake the written test only
显示答案
答案: C. Your driver license is suspended or revoked
Refusing a test brings its own penalties, including losing your license, even if you are not convicted of impaired driving.
第21题，共25题
Can cold or allergy medicine you buy without a prescription affect your driving?
- No, only prescription drugs affect driving
- Only if you take it with food
- No, these medicines are always safe
- Yes, some can make you drowsy, so read the label
显示答案
答案: D. Yes, some can make you drowsy, so read the label
Many over-the-counter medicines cause drowsiness. Read the warning label and ask a pharmacist if you are unsure.
第22题，共25题
The lights are flashing at a railroad crossing. Where should you stop?
- Right next to the rail
- At least 15 feet but no more than 50 feet from the nearest rail
- At least 200 feet before the tracks
- On the tracks, so you can see better
显示答案
答案: B. At least 15 feet but no more than 50 feet from the nearest rail
Stop between 15 and 50 feet from the nearest rail, and wait until the train has passed and it is safe.
第23题，共25题
What does this sign mean?
- One sharp curve to the right is ahead
- A series of curves is ahead
- The road is slippery ahead
- Lanes shift ahead
显示答案
答案: B. A series of curves is ahead
The road has three or more curves in a row. Slow down and stay in your lane.
第24题，共25题
What does this sign mean?
- A passing lane is ahead
- Traffic ahead travels in both directions on the same road
- Two lanes go your way
- A divided highway begins
显示答案
答案: B. Traffic ahead travels in both directions on the same road
You are leaving a one-way road or divided highway. Oncoming traffic will be beside you, so keep right.
第25题，共25题
Which of these is a warning sign that you are too sleepy to drive?
- Checking your mirrors often
- Wanting to change the radio station
- Feeling hungry
- Drifting over lane lines or hitting rumble strips
显示答案
答案: D. Drifting over lane lines or hitting rumble strips
Drifting from your lane or hitting rumble strips means you are drowsy. Stop in a safe place and rest.

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