QuizTraffic signsThailand

Test your knowledge with our multiple-choice quiz. Learn from each answer and improve your understanding of the traffic rules and road signs of Thailand.

For informational purposes only. Always follow official regulations. Some content and images were created with AI assistance.


What does this traffic sign mean?

51. What does this traffic sign mean?

Parking prohibited.
Warning for traffic jams.
✓ Warning for a danger with no specific traffic sign.
Warning for accidents.

This traffic sign indicates a warning for a danger with no specific traffic sign. It's a general warning sign used when there is a hazard ahead that does not have its own dedicated warning sign. For example: road accidents, flooded roads and roads blocked by fallen trees. It usually has a supplementary sign attached that tells drivers of what hazard to expect.

What does this traffic sign mean?

52. What does this traffic sign mean?

Entry prohibited.
Start of a motorway.
Warning for trams.
✓ Warning for a railway crossing without barriers.

This traffic sign indicates a warning for a railway crossing without barriers. It alerts drivers to an upcoming level crossing where railway tracks cross the road and no barriers or gates are present to stop traffic. Drivers should slow down and look both ways for trains.

What does this traffic sign mean?

53. What does this traffic sign mean?

End of the motorway.
Start of a tunnel.
✓ Start of a motorway.
Start of an expressway.

This traffic sign indicates the start of a motorway. From this point, special motorway rules apply, including restrictions on which road users may enter and on stopping, reversing and other manoeuvres. Follow the applicable speed limits, lane rules and local motorway regulations.

What does this traffic sign mean?

54. What does this traffic sign mean?

✓ Entry prohibited (checkpoint).
Parking prohibited.
Prohibited access zone.
Start of a low-emission zone.

This traffic sign indicates a checkpoint with restricted entry. Road users may not proceed beyond the checkpoint unless they are authorised or permitted to continue according to the applicable rules and instructions.

What does this traffic sign mean?

55. What does this traffic sign mean?

Turning left mandatory.
✓ Driving straight ahead or turning right mandatory.
Driving straight ahead or turning left mandatory.
Turning right prohibited.

This traffic sign indicates that traffic must continue straight ahead or turn right. One of the indicated directions must be followed; turning left is prohibited.

What does this traffic sign mean?

56. What does this traffic sign mean?

Warning for a road with one-way traffic.
Warning for a road with two-way traffic.
✓ Warning for a road narrowing on the right.
Warning for a road narrowing on the left.

This traffic sign indicates a warning for a road narrowing on the right. The available road width decreases from the right side ahead. Reduce speed, follow the lane markings and maintain sufficient clearance from other traffic and the road edge.

What does this traffic sign mean?

57. What does this traffic sign mean?

No entry.
The road is closed.
Dead end street with a passage for pedestrians and cyclists.
✓ Dead end street.

This traffic sign indicates a dead end street. The road has no through route for vehicles, although access to properties or other destinations along the road may still be possible.

What does this traffic sign mean?

58. What does this traffic sign mean?

Start of a residential area.
✓ Start of a speed limit.
Start of a minimum speed.
Start of a built-up area.

This traffic sign indicates the start of a speed limit. The displayed value is the maximum permitted speed from this point. The limit remains in force until it ends or is replaced according to the applicable traffic signs and local rules.

What does this traffic sign mean?

59. What does this traffic sign mean?

Stopping prohibited.
Start of a priority road.
✓ Driving straight ahead mandatory.
Overtaking prohibited.

This traffic sign indicates that driving straight ahead is mandatory. Traffic must continue straight ahead and may not turn left or right at the location to which the sign applies.

What does this traffic sign mean?

60. What does this traffic sign mean?

✓ Warning for a slippery road surface.
Warning for loose chippings on the road surface.
Warning for accidents.
Warning for a double curve, first left then right.

This traffic sign indicates a warning for a slippery road surface. The road ahead may provide reduced tyre grip because of water, ice, mud, oil or another surface condition. Reduce speed and avoid sudden braking, acceleration or steering movements.

What does this traffic sign mean?

61. What does this traffic sign mean?

Warning for a road narrowing.
✓ Warning for a divided road.
Cycle highway.
Warning for an unpaved road surface.

This traffic sign indicates a warning for a divided road. The road ahead separates into carriageways for opposing directions of traffic, usually divided by a central reservation or traffic island. Follow the lane markings and adjust your position to the new road layout.

What does this traffic sign mean?

62. What does this traffic sign mean?

✓ Trucks prohibited.
Cars prohibited.
Warning for trucks.
Mandatory lane for trucks.

This traffic sign indicates that trucks are prohibited. Trucks covered by the sign may not enter or continue beyond it. Any applicable weight threshold or vehicle-category limitation is determined by the sign, supplementary information and local rules.