Thai Driving License Practice Test
Practise the real DLT written exam. 598 questions across 5 official categories, with the answers — plus a timed 50-question simulation of the exam itself.
25 free practice questions
Here are 25 real questions from the bank — free, no signup. Tap "Show answer" on any of them.
1. What does the lane-dividing line on the road surface in the image mean?
- A.The driver may make a U-turn
- B.The driver is prohibited from overtaking into the right-hand lane
- C.The driver may turn right
- D.The driver may park
Show answer
Correct: B. The driver is prohibited from overtaking into the right-hand lane
2. When encountering this sign, what must the driver do?
- A.Maintain speed
- B.Turn left
- C.End of the restricted zone
- D.No right turn
Show answer
Correct: C. End of the restricted zone
3. When encountering this sign, what should the driver do?
- A.Slow down and watch out for animals crossing the road
- B.Slow down and watch out for school children
- C.Slow down and watch out for people crossing the road
- D.Slow down and watch out for a zoo ahead
Show answer
Correct: A. Slow down and watch out for animals crossing the road
4. When encountering this sign, what should the driver do?
- A.No straight-through traffic in this one-way direction
- B.One-way traffic to the right
- C.One-way traffic to the left only
- D.No traffic to the right
Show answer
Correct: B. One-way traffic to the right
5. When encountering this sign, what should the driver do?
- A.All types of vehicles are prohibited from entering in the direction where the sign is installed
- B.Only sedans are prohibited from entering the zone where the sign is installed
- C.Vehicles are allowed to enter the zone where the sign is installed
- D.Pedestrians are allowed to enter the zone where the sign is installed
Show answer
Correct: A. All types of vehicles are prohibited from entering in the direction where the sign is installed
6. If a driving license is damaged or lost, within how many days must action be taken?
- A.7 days
- B.30 days
- C.20 days
- D.15 days
Show answer
Correct: D. 15 days
7. In the areas of Bangkok, Pattaya City, or municipalities, at what maximum speed must you drive (for private cars)?
- A.Not exceeding 80 kilometers per hour
- B.Not exceeding 100 kilometers per hour
- C.Not exceeding 90 kilometers per hour
- D.Not exceeding 60 kilometers per hour
Show answer
Correct: A. Not exceeding 80 kilometers per hour
8. From the picture, which vehicle has the right of way to proceed first?
- A.Vehicle A, because it is on the minor road
- B.Vehicle B, because it is on the minor road
- C.Vehicle B, because it is on the major road
- D.Vehicle A, because it is on the major road
Show answer
Correct: C. Vehicle B, because it is on the major road
9. From the picture, if Vehicle A wants to drive straight ahead, what should it do?
- A.Stop and wait for Vehicles B and C to pass first
- B.Stop and wait for Vehicle B to pass first
- C.Stop and wait for Vehicle C to pass first
- D.Drive straight through
Show answer
Correct: B. Stop and wait for Vehicle B to pass first
10. A driver who violates the land traffic law and receives a ticket must pay the fine within how many days?
- A.7 days
- B.15 days
- C.10 days
- D.30 days
Show answer
Correct: A. 7 days
11. Before overtaking or changing lanes, what must you do?
- A.You must give a signal so others are aware
- B.Quickly change lanes immediately
- C.Overtake and then brake immediately
- D.Quickly accelerate and overtake fast
Show answer
Correct: A. You must give a signal so others are aware
12. Which of the following practices is incorrect?
- A.Parking the car at a junction or intersection
- B.Reducing speed when reaching a roundabout
- C.Reducing speed when there is someone crossing the road
- D.Reducing speed when reaching a hazardous spot
Show answer
Correct: A. Parking the car at a junction or intersection
13. Which is an incorrect use of the headlights?
- A.When it rains heavily
- B.When you cannot see the road within a distance of less than 150 meters
- C.When you are in a hurry to get to work
- D.When there is smoke covering the road
Show answer
Correct: C. When you are in a hurry to get to work
14. Driver A wants to turn right and there is a car going straight coming toward them. What should they do?
- A.Stop and let the car on the right pass first, then turn right
- B.Turning is prohibited
- C.Stop and let the oncoming car going straight pass first, then turn right
- D.Turn right immediately
Show answer
Correct: C. Stop and let the oncoming car going straight pass first, then turn right
15. How should the fingers grip the steering wheel?
- A.Grip the steering wheel with only two fingers, the thumb and index finger
- B.Grip the steering wheel as tightly as possible with all five fingers
- C.Touch the steering wheel with all five fingers, able to turn the wheel with one hand
- D.Grip the steering wheel firmly with all five fingers, able to turn it nimbly
Show answer
Correct: D. Grip the steering wheel firmly with all five fingers, able to turn it nimbly
16. To what level should distilled water be filled in a battery?
- A.Fill to the specified level
- B.Fill slightly above the specified level
- C.Fill until it overflows, then close the cap
- D.Fill slightly below the specified level
Show answer
Correct: A. Fill to the specified level
17. How should you make a basic check of the tension or slack of the engine belt?
- A.Look at it with the naked eye
- B.Start the engine and listen to the sound of the engine belt
- C.Feel the engine belt with your hand
- D.Press the engine belt with your finger
Show answer
Correct: D. Press the engine belt with your finger
18. What kind of water should be used to refill a battery?
- A.Rainwater
- B.Soapy water
- C.Distilled water
- D.Groundwater
Show answer
Correct: C. Distilled water
19. At what level should water be filled in the radiator reservoir tank?
- A.Half a tank
- B.Any amount is fine
- C.Between the high-low marks specified on the side of the reservoir tank
- D.A full tank
Show answer
Correct: C. Between the high-low marks specified on the side of the reservoir tank
20. Which of the following uses the clutch incorrectly?
- A.When about to stop the vehicle
- B.When driving down a steep slope
- C.When about to change gears
- D.When about to start the engine
Show answer
Correct: B. When driving down a steep slope
21. If heavy rain falls until visibility of the road becomes unclear, what should the driver do?
- A.Accelerate to pass through the rainy area quickly
- B.Park in a safe area, turn on the headlights and switch on the hazard lights
- C.Stop the car immediately
- D.Turn on the headlights and accelerate through the heavy-rain area
Show answer
Correct: B. Park in a safe area, turn on the headlights and switch on the hazard lights
22. What should you be especially careful of when you see a passenger bus stopped on the opposite side of the road?
- A.No need to be careful, because it is on the opposite side of the road
- B.A pedestrian may walk out from behind the bus
- C.The bus may have broken down
- D.The bus may suddenly move off
Show answer
Correct: B. A pedestrian may walk out from behind the bus
23. If you anticipate that an accident may occur ahead, how should you prepare?
- A.Drive faster
- B.Drive as usual
- C.Reduce speed
- D.Stop the car immediately
Show answer
Correct: C. Reduce speed
24. Under which visibility condition should you take more care than usual in keeping distance from the vehicle ahead?
- A.Traffic is flowing smoothly
- B.Raining, foggy, slippery road
- C.Nighttime with sufficient lighting
- D.Daytime with no rain
Show answer
Correct: B. Raining, foggy, slippery road
25. When keeping a side clearance from a parked vehicle, at least how much distance should you leave?
- A.At least 2 meters, leaving room for a car to overtake
- B.At least 4 meters, leaving room for a truck
- C.At least 3 meters, leaving room for a motorcycle to overtake
- D.At least 1 meter, because another vehicle's door may open
Show answer
Correct: D. At least 1 meter, because another vehicle's door may open
The full bank: 598 questions
The DLT draws your 50 exam questions from this pool. These are all of them, by category.
Unlock the full practice test
One payment. Everything below, on any device.
All 598 questions
The complete bank across all 5 DLT categories, not a sample.
Exam simulation
50 random questions on a 60-minute timer, scored the way the DLT scores it — the real pass mark is 45/50.
Practice by category
Drill one weak area at a time. Safe Driving alone is 249 questions.
Instant answer feedback
Every question tells you immediately whether you were right, so you learn as you go rather than at the end.
Review your mistakes
After each test, see only the questions you got wrong, with the correct answers.
Your scores are remembered
Best score per mode and per category is kept on your device, so you can see yourself improving.
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Questions about the test
Are these the real DLT test questions?
They are the questions from the official Thai DLT written-exam question pool, translated into English and Chinese. The DLT draws your 50 exam questions from this pool.
What score do I need to pass the real exam?
45 out of 50, which is 90%. It is a high bar, and it is the single most common reason foreigners fail on their first attempt.
What languages is it in?
Every question is available in Thai, English and Chinese. The interface itself is in English.
Do I get access forever?
Your access link keeps working. Open it on any device to unlock the test there — bookmark the test once you are in.
I am already a TDL Service client. Do I have to pay?
No. The practice test is included with our licence services — we send you the access link directly.
Is the test the same as the real thing?
The exam simulation mirrors the real format: 50 multiple-choice questions, a 60-minute limit, and the same 45/50 pass mark. The questions come from the same pool.