Traffic rulesThailand
Learn the traffic rules of Thailand with lots of pictures, clear traffic signs and interactive quizzes. Simple, visual and easy to follow.
Driving licence basics in Thailand
Which authority administers driving licences in Thailand?
The Department of Land Transport, usually abbreviated to DLT, administers driving licences through its Bangkok area offices, provincial transport offices and authorised service channels.
Does Thailand use the same licence categories as the European Union?
No. Thailand uses licence types created under its own motor-vehicle and land-transport laws rather than the EU categories A, B, C and D.
Is a separate licence required for a car and a motorcycle?
Yes. A private car licence does not authorise the holder to ride a motorcycle, and a motorcycle licence does not authorise the holder to drive a car.
What is the usual first licence for a new private-car driver?
A new driver normally receives a temporary private automobile driving licence after meeting the legal conditions and passing the required assessments.
How long is a temporary private driving licence normally valid?
The temporary private licence is normally valid for two years.
What follows the temporary private licence?
After satisfying the holding-period and application requirements, the driver may apply to change it to a five-year private driving licence.
How long is a full private driving licence normally valid?
A standard private driving licence is normally issued for five years, with the exact expiry date printed on the card.
Must the licence cover the vehicle being driven?
Yes. The driver must hold the appropriate licence type for the vehicle, such as a private car, motorcycle, motor tricycle or another regulated vehicle.
Can a person drive a public-service vehicle with only a private licence?
No. Driving a taxi, public motorcycle or other public-service vehicle requires the appropriate public or professional driving authority.
Are professional transport-driver licences separate from ordinary licences?
Yes. Drivers of regulated passenger and goods vehicles may need a driver licence under the Land Transport Act in addition to, or instead of, an ordinary licence under the Motor Vehicle Act.
Does the driving licence show restrictions or special conditions?
Yes. The DLT may record applicable restrictions, vehicle limitations or conditions on the licence or in its electronic record.
Should a driver check the card's expiry date and licence type?
Yes. The holder should verify that the licence is valid, legible and appropriate for the vehicle before driving.
Eligibility and application documents
What is the minimum age for a temporary private-car licence?
An applicant for a temporary private automobile driving licence must normally be at least 18 years old.
What identification does a Thai applicant normally provide?
A Thai applicant normally provides the original national identification card and any other documents required for the specific transaction.
What identification does a foreign applicant normally provide?
A foreign applicant normally provides a valid passport or other accepted non-Thai identity document, together with the immigration and residence evidence requested by the DLT office.
Must a foreign applicant prove an address in Thailand?
Usually yes. The applicant should provide an accepted residence document, such as an immigration residence certificate, work-related residence evidence or another document accepted by the office.
Is a medical certificate normally required?
Yes. A medical certificate in the prescribed or accepted form is normally required for a new licence and for several renewal or conversion procedures.
How recent should the medical certificate be?
DLT guidance normally requires a recently issued certificate, commonly one issued no more than one month before the application date.
Must the applicant attend in person?
Yes. Identity checking, the photograph, physical-capability tests and any required examinations normally require personal attendance.
Can an applicant use an expired identity document?
No. Identity and immigration documents should be valid on the application date unless the DLT expressly accepts another form of evidence.
Are photocopies sometimes required?
Yes. Offices may request signed copies of passports, identity cards, residence evidence, existing licences or other supporting documents.
Do document requirements differ for Thai and foreign applicants?
Yes. The core licensing standards are similar, but foreigners generally have additional passport, immigration and address-document requirements.
Can the DLT request additional evidence?
Yes. The registrar may request further documents or clarification where identity, residence, licence history, health or eligibility is uncertain.
Should applicants verify requirements with the chosen office?
Yes. Documentary practice and appointment arrangements can vary, so the applicant should check the current DLT checklist before attending.
Licence types and minimum ages
What private-car licence types are commonly issued?
Thailand commonly issues a temporary private automobile licence for new drivers and a five-year private automobile licence for eligible experienced holders.
What private-motorcycle licence types are commonly issued?
Thailand commonly issues a temporary private motorcycle licence and a five-year private motorcycle licence.
Can a 15-year-old obtain a motorcycle licence?
A person aged at least 15 may apply for a temporary private motorcycle licence limited to a motorcycle with an engine capacity not exceeding 110 cubic centimetres.
What age is normally required for a larger motorcycle?
An applicant who wishes to ride a motorcycle outside the under-110 cc youth provision must normally be at least 18 years old.
Is there a separate licence for a motor tricycle?
Yes. Thai law provides separate private and public motor-tricycle licence types.
Is there a licence for a road roller?
Yes. A road-roller driving licence is one of the specialised licence types under the Motor Vehicle Act.
Is there a licence for a tractor?
Yes. A tractor driving licence is a separate specialised licence type.
Can the DLT issue a licence for another vehicle type?
Yes. Thai law permits licences for other prescribed vehicle types in addition to cars, motorcycles, motor tricycles, road rollers and tractors.
What is the normal minimum age for a public-car licence?
An applicant for a public automobile or public motor-tricycle licence must normally be at least 22 years old and satisfy the additional public-driver conditions.
What is the normal minimum age for a public-motorcycle licence?
An applicant for a public motorcycle licence must normally be at least 20 years old and meet the additional eligibility conditions.
Are public driving licences generally limited to Thai nationals?
Yes. Public-vehicle driving licences under the Motor Vehicle Act are generally subject to Thai-nationality requirements.
Do heavy passenger and goods vehicles use these ordinary licence names?
Not always. Vehicles regulated under the Land Transport Act use separate professional driver-licence classes and conditions.
Training, driving schools and appointments
Must a first-time applicant complete training?
Yes. A first-time applicant normally completes the DLT-prescribed road-safety and traffic-law training before taking the examinations.
How long is the standard DLT course for a new temporary licence?
The standard course for a new temporary private licence is generally at least five hours unless the applicant presents an accepted training certificate from an authorised school.
What subjects are covered in the training?
Training normally covers traffic law, signs and markings, safe driving, defensive behaviour, emergency response, responsible road use and relevant vehicle knowledge.
Can a DLT-certified driving school provide the required course?
Yes. A driving school authorised by the DLT may provide an approved course and issue evidence recognised for the licensing process.
Are approved driving-school courses longer than the office lecture?
They can be. Comprehensive authorised courses may combine classroom instruction and practical driving over a longer programme.
Can an authorised school conduct examinations?
Some DLT-certified schools are authorised to conduct specified theory and practical assessments under DLT rules, after which the applicant completes the licence-issuance process with the DLT.
Does every driving school have authority to issue test certificates?
No. The school must hold the appropriate DLT authorisation, and applicants should verify its status before enrolling.
How can an applicant reserve a DLT appointment?
Appointments can be reserved through the official DLT Smart Queue service where the selected office and transaction are supported.
Can foreigners use DLT Smart Queue?
Yes. The official system provides registration options for foreigners using a passport or accepted non-Thai identification document.
Is an appointment always mandatory?
Office policy and capacity determine whether an appointment is required, strongly recommended or supplemented by limited walk-in service.
Can online training replace every in-person step?
No. Online or pre-completed training may satisfy only the training element; identity checks, physical testing, photography and required examinations still need the authorised procedure.
Should the applicant keep the training certificate?
Yes. Any certificate should be kept valid and presented within its permitted period because an expired or unverifiable certificate may be rejected.
Physical-capability and theory tests
What physical-capability tests are commonly used?
The DLT commonly tests colour recognition, depth perception, peripheral vision and reaction or braking response.
Which colours are normally checked?
The colour-vision test normally checks the ability to recognise red, yellow and green traffic-signal colours.
What does the depth-perception test measure?
It checks whether the applicant can judge the relative distance of objects, an ability used when stopping, following and parking.
What does the peripheral-vision test measure?
It checks the applicant's ability to detect visual information to the sides while looking ahead.
What does the reaction test measure?
It measures how quickly the applicant responds to a signal, commonly by moving from an accelerator control to a brake control.
Can corrective lenses be worn during the tests?
Yes, where needed, but the DLT may record a requirement to wear spectacles or contact lenses while driving.
Is passing the medical examination alone enough?
No. The medical certificate and the DLT physical-capability tests are separate parts of the assessment.
How is the theory examination normally delivered?
The theory test is normally a computer-based multiple-choice examination at an authorised testing location.
How many questions are normally in the ordinary theory test?
The ordinary motor-vehicle theory test normally contains 50 questions.
What score is normally required to pass?
The applicant must normally answer at least 90% correctly, which means at least 45 correct answers out of 50.
What topics can appear in the theory test?
Questions can cover traffic laws, road signs and markings, safe driving, vehicle operation, emergencies, courteous behaviour and accident prevention.
Is an English-language test guaranteed at every office?
No. Language availability and assistance can vary, so a foreign applicant should confirm the available test languages with the chosen office.
Practical driving examination
Who must take a practical driving test?
A first-time applicant normally must pass the practical test for the vehicle type unless a valid exemption or accepted conversion procedure applies.
Is the car test conducted on public roads?
The standard DLT car test is generally conducted in a controlled test area using prescribed manoeuvres rather than as a long public-road test.
What abilities are assessed in the car test?
The test assesses basic control, observation, accurate stopping, steering, reversing, parking and compliance with the examiner's instructions.
Must the driver use mirrors and signals during the test?
Yes. Safe observation, correct signalling and controlled movement are part of competent driving even when the manoeuvre takes place on a closed course.
Can touching a boundary or marker cause failure?
Yes. Contact with kerbs, poles, lines or other test boundaries may be treated as an error or failure under the applicable test rules.
Is there a time limit for manoeuvres?
Some prescribed exercises have time or attempt limits, which the examiner explains before the test.
Is the motorcycle test different from the car test?
Yes. Motorcycle applicants complete vehicle-specific balance, control, lane, turning, stopping and obstacle exercises on the designated course.
Must a test motorcycle be roadworthy?
Yes. The vehicle used must meet the DLT's acceptance and safety requirements, including working controls and required equipment.
Must the motorcycle applicant wear a helmet?
Yes. An approved safety helmet and other required attire must be used during the test.
Can an automatic car be used for the test?
An acceptable automatic vehicle can normally be used where the test office permits it; applicants should confirm vehicle arrangements in advance.
What happens after a failed practical test?
The applicant must follow the DLT's rebooking and retest procedure and repeat the failed element or examination as directed.
Does passing the test alone create a valid licence?
No. The applicant must complete the issuance procedure, pay the prescribed fees and receive the licence before driving independently under that licence.
Temporary licence and change to a five-year licence
What is the purpose of the two-year temporary licence?
It is the normal first private licence and allows the new driver to gain experience before qualifying for the standard five-year private licence.
Can the temporary licence be used throughout Thailand?
Yes. A valid temporary Thai licence authorises the recorded vehicle type throughout Thailand, subject to its conditions.
Must the holder wait until the exact expiry date to apply for a five-year licence?
No. The DLT permits applications within its authorised advance period, but the holder must also satisfy the minimum holding-period requirement.
How long must the temporary licence normally have been held?
The holder normally must have held the temporary private licence for at least one year before changing to the five-year type.
Is the change from temporary to five-year automatic?
No. The holder must apply, present the required documents, satisfy the current health and physical-test requirements and pay the fees.
Is a new full practical test normally required for a timely change?
A routine timely change from a valid temporary licence to the five-year licence normally does not require the complete first-time practical test, although the DLT may require additional testing in special cases.
Is training required when changing licence type?
The applicant must satisfy the training requirement applicable at the time, which may be completed through an approved DLT channel or recognised course.
Can an expired temporary licence still be changed?
Yes in many cases, but the process becomes more demanding as the period of expiry increases and may include additional training, theory testing or practical testing.
Does a temporary car licence convert a motorcycle licence too?
No. Each vehicle type is handled separately, so car and motorcycle licences must each be changed or renewed under their own record.
Can a holder apply at any DLT office?
Many transactions can be completed outside the original issuing office, but applicants should confirm that the chosen office can access and process the licence record.
Will a new photograph be taken?
Yes. The licence-issuance process normally includes a current digital photograph taken at the office.
Should the holder drive after the temporary licence expires?
No. The holder should complete the change or renewal before expiry and must not rely on an expired licence as valid authority to drive.
Renewal, expiry, replacement and electronic licence
How early can a private licence normally be renewed?
A private licence can generally be renewed up to six months before its expiry date, subject to the current DLT procedure.
What is normally required for an on-time five-year renewal?
The holder normally provides identification, the existing licence, a recent medical certificate where required, completes training and physical-capability tests, and pays the prescribed fees.
Does a recently expired licence require the full first-time process?
Not usually. A licence expired for no more than one year normally follows the standard renewal route, subject to current training and physical-test requirements.
What happens when a licence has been expired for more than one year?
Additional requirements normally apply, and the holder may have to complete further training and pass the theory examination.
What happens when a licence has been expired for more than three years?
The holder normally faces a more extensive process that can include both the theory and practical driving examinations.
Can the DLT refuse renewal on medical grounds?
Yes. Renewal may be refused, restricted or deferred if the applicant does not meet the medical or physical fitness standards.
What should a holder do if the card is lost?
The holder should apply promptly for a replacement through the DLT and provide the identification and declaration or supporting evidence required by the office.
What should a holder do if the card is damaged or unreadable?
The damaged card should be taken to the DLT for replacement because essential identity, licence-type or validity information must remain verifiable.
Must a name or personal-detail change be reported?
Yes. The holder should request an amendment or replacement and provide the official documents proving the change.
What is DLT QR Licence?
DLT QR Licence is the Department of Land Transport's official application for displaying and checking electronic driving-licence information and related services.
Can an electronic licence record be verified?
Yes. The DLT's electronic system and QR functions are designed to allow authorised verification of the licence record.
Is it sensible to carry the physical card when travelling?
Yes. Even where an electronic display is legally supported, the physical card is useful for rental companies, foreign authorities, device failure and situations where electronic verification is unavailable.
Foreign applicants and foreign licences
Can a foreign resident obtain a Thai driving licence?
Yes. A foreign applicant who meets the age, identity, residence, medical, training and testing requirements can obtain the appropriate Thai licence.
Is a tourist entry always enough for every DLT office?
Not necessarily. The applicant must provide immigration and residence evidence accepted by the office, and practices can differ according to status and document type.
Can a valid foreign licence simplify the application?
Yes. A valid foreign domestic licence or recognised international driving permit can support a conversion-style application and may remove the need for some first-time tests.
Must the foreign licence cover the same vehicle type?
Yes. A foreign motorcycle entitlement supports a Thai motorcycle application, while a foreign car entitlement supports a Thai car application.
What if the foreign licence is not in English or Thai?
The DLT may require an official translation or consular certification unless the licence is accompanied by a recognised international driving permit containing the necessary information.
Does a foreign applicant still take the physical tests?
Usually yes. Conversion applicants are generally still required to complete the DLT physical-capability tests and satisfy the medical-document requirement.
Does every foreign-licence holder receive an automatic test exemption?
No. Exemptions depend on the validity, authenticity, language, vehicle class and legal recognition of the documents presented, and the registrar makes the final decision.
Can an expired foreign licence be used for conversion?
Normally no. The foreign licence should be valid, and an expired document may require the applicant to follow the first-time Thai procedure.
Can a foreigner receive a five-year licence immediately?
A first Thai licence is commonly issued as a two-year temporary licence, while eligibility for a five-year licence depends on the applicable conversion, immigration and DLT rules.
Is a work permit the only acceptable proof of address?
No. A work permit may be useful where it contains accepted address information, but immigration residence certificates and other approved documents may also be accepted.
Should the passport name match the supporting documents?
Yes. Differences in spelling, order or transliteration should be resolved or supported with official evidence before the application.
Can a foreign applicant book through the official queue system?
Yes. DLT Smart Queue provides a foreigner registration route using a passport or accepted non-Thai identity document.
Public vehicles and professional transport driving
What vehicles require a public driving licence under the Motor Vehicle Act?
Public automobiles, public motor tricycles and public motorcycles require the corresponding public driving licence when used to carry passengers or provide regulated public service.
How long is a newly issued public driving licence normally valid?
Public automobile, public motor-tricycle and public motorcycle driving licences are normally issued for three years.
Is a private licence enough to work as a taxi driver?
No. The driver needs the appropriate public driving licence and must also comply with the vehicle, operator and local service requirements.
Are criminal-history conditions relevant to public drivers?
Yes. Public-driver applications are subject to character and criminal-history conditions in addition to age, health, knowledge and driving competence.
Must a public-driver applicant already have driving experience?
Yes. Public-driver eligibility normally requires an appropriate existing private licence or other recognised driving authority and compliance with the prescribed experience conditions.
Can a foreign national normally obtain a public-car licence?
Public driving licences under the Motor Vehicle Act are generally reserved for Thai nationals.
What is a driver licence under the Land Transport Act?
It is a professional licence for drivers of vehicles regulated as passenger or goods transport vehicles under Thailand's land-transport system.
Are there several professional transport-driver classes?
Yes. The classes reflect the type and size of transport vehicle and whether the work involves passenger transport, goods, trailers or specially regulated cargo.
Can an ordinary private-car licence replace a professional transport licence?
No. A driver must hold the professional class required for the regulated transport vehicle and operation.
Are hazardous-goods drivers subject to additional requirements?
Yes. Transporting dangerous goods can require the appropriate high-level professional licence, specialised training and compliance with cargo-safety rules.
Do professional drivers have separate training and examinations?
Yes. Their training, theory material, practical competence, medical checks and background requirements are tailored to professional transport duties.
Should an employer verify the driver's licence class and validity?
Yes. Operators should confirm that each driver holds the correct valid licence and any additional qualifications required for the vehicle and service.
Medical fitness, restrictions and enforcement
Can a medical condition prevent licensing?
Yes. A condition that makes safe vehicle control unreliable can lead to refusal, a restriction, a request for more medical evidence or a shorter administrative review period.
Must an applicant disclose relevant health information honestly?
Yes. False or incomplete health information can endanger road users and may affect the legality of the licence.
Can a licence require corrective lenses?
Yes. Where vision is acceptable only with correction, the DLT can require the holder to wear spectacles or contact lenses while driving.
Can a person with a disability obtain a licence?
Possibly. Eligibility is assessed individually, and the DLT may approve adapted controls, vehicle limitations, identification markings or other conditions when safe driving is demonstrated.
Can the DLT suspend or revoke a licence?
Yes. Serious offences, disqualification, medical unfitness, fraud or repeated non-compliance can result in suspension, revocation or another administrative order.
Does Thailand use a driving-licence point system?
Yes. The national system assigns each driver 12 points and deducts points for specified traffic offences.
What happens when the point balance reaches zero?
A driver whose balance reaches zero is generally subject to a 90-day licence suspension under the point system.
Can deducted points be restored?
Yes. Points can be restored through the statutory time rules and approved training procedures, depending on the driver's balance and offence history.
Is driving during a suspension permitted?
No. A suspended licence does not authorise driving, and driving while suspended can result in further penalties.
Can police seize or retain a licence in authorised circumstances?
Yes. Traffic and enforcement law permits authorised officers and registrars to take action against a licence in specified cases.
Does paying a traffic fine automatically restore a suspended licence?
No. Payment of a fine and the administrative status of the driving licence are separate matters; the driver must satisfy the reinstatement rules.
How can a driver check an uncertain licence status?
The driver should use an official DLT or police service or contact the DLT call centre or transport office rather than assuming the licence remains valid.
International permits and driving across borders
Can visitors drive in Thailand with an international driving permit?
A visitor can generally drive the authorised vehicle class with a valid national licence and a recognised international driving permit issued under a convention accepted by Thailand.
Must the national licence accompany the international permit?
Yes. An international driving permit is a translation and recognition document, not a standalone licence, so the underlying domestic licence must also be valid and carried.
Which road-traffic conventions does Thailand use for international permits?
Thailand participates in both the 1949 Geneva Convention and the 1968 Vienna Convention systems.
Are all international driving permits valid in Thailand?
No. The permit must be genuine, current, issued by an authorised body and based on a convention or agreement recognised by Thailand.
Can an ASEAN domestic licence be recognised in Thailand?
A valid domestic licence from another ASEAN member may be recognised under the applicable ASEAN arrangement, subject to vehicle class, validity and any translation requirements.
Does an international permit cover a motorcycle automatically?
No. It covers only the vehicle categories recorded in the permit and supported by the holder's domestic licence.
Can the DLT issue an international driving permit to a Thai licence holder?
Yes. Eligible holders of valid Thai licences can apply to the DLT for the appropriate international permit.
How long is a 1949 Geneva permit normally valid?
A permit issued under the 1949 Geneva Convention is normally valid for one year.
How long is a 1968 Vienna permit normally valid?
A permit issued under the 1968 Vienna Convention can be valid for up to three years, but never beyond the validity of the underlying Thai licence.
Which convention permit should a traveller request?
The traveller should check which convention the destination country recognises and request the corresponding DLT permit.
Does an international permit replace destination-country rules?
No. The driver must still obey local age limits, vehicle classes, residence rules, insurance conditions and rental-company requirements.
Should a traveller rely only on a digital Thai licence abroad?
No. International travel normally requires the physical Thai licence and, where applicable, the physical international driving permit.
Sources and methodology
Which primary law was used for ordinary Thai driving licences?
The FAQ uses the Department of Land Transport summary of the Motor Vehicle Act B.E. 2522 and the current Act as amended for licence types, eligibility, validity and enforcement.
Which current licensing regulation was consulted?
The FAQ uses the Ministerial Regulation on applications, issuance and renewal of driving licences B.E. 2563 and related DLT regulations.
Which official DLT service pages were consulted?
The official DLT pages for new licences, two-year licences and international driving permits were used as service references.
Which appointment and training services were checked?
The official DLT Smart Queue service and the DLT e-Learning Center were checked for appointment, foreign-user and training context.
Were professional-driver and enforcement rules included?
Yes. Official DLT legal material on public and transport-driver licences, physical testing, electronic licences and the driving-point system was used, while procedure-dependent answers are deliberately phrased to require confirmation with the responsible office.
When was this FAQ last reviewed?
This English master was last reviewed on 4 August 2026. Thai licensing procedures, accepted documents, training channels and office arrangements can change, so applicants should verify time-sensitive details with the Department of Land Transport or the selected provincial transport office.
1. What does this traffic sign mean?
This traffic sign indicates a road narrowing where you must give way to oncoming traffic. Allow approaching traffic to pass before entering or continuing through the narrow section when required.
English • Traffic sign บ.3 • Give way to oncoming vehicles. Stop or wait for them to pass, then proceed when clear and safe.
ไทย • บ.3 • ให้รถสวนทางมาก่อน. ให้หยุดหรือรอเพื่อให้รถที่สวนมาผ่านไปก่อน แล้วจึงเคลื่อนรถเมื่อทางว่างและปลอดภัย
Sources
🔗 Commons.wikimedia.org (So Monggo • CC BY-SA 4.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 58
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-11-18. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 58. Catalogue-equivalent illustration; intentional update from the previous PNG.
2. What does this traffic sign mean?
This traffic sign indicates that traffic must pass an obstacle on the left. Keep to the left of the obstacle and follow any accompanying signs or road markings.
English • Traffic sign บ.40 • Keep left. Pass to the left of the sign or obstacle following the arrow.
ไทย • บ.40 • ให้ชิดซ้าย. ขับรถผ่านด้านซ้ายของป้ายหรือสิ่งกีดขวางตามทิศทางลูกศร
Sources
🔗 Commons.wikimedia.org (So Monggo • CC BY-SA 4.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 75
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-11-12. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 75. Catalogue-equivalent illustration; intentional update from the previous PNG.
3. What does this traffic sign mean?
This traffic sign indicates a warning for an uncontrolled T-junction. The road ends at an intersection where no traffic signs or signals assign priority. Reduce speed and follow the applicable default priority rules.
English • Traffic sign ต.13–ต.14 • rotated version • T-junction. The road ends at a T-junction; reduce speed and prepare to turn left or right along your route.
ไทย • ต.13–ต.14 • แบบหมุน • ทางแยกรูปตัวที. ทางที่กำลังใช้สิ้นสุดที่ทางแยกรูปตัวที ให้ลดความเร็วและเตรียมเลี้ยวซ้ายหรือขวาตามเส้นทาง
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 93
SVG source: Government of Thailand • Public domain • Original revision 2017-12-13. Wikimedia original unmodified.
4. What does this traffic sign mean?
This traffic sign indicates the mandatory direction around a roundabout. Traffic must circulate in the direction shown by the arrows. The sign does not itself determine priority; follow the applicable priority signs, traffic signals and local rules.
English • Traffic sign บ.48 • Roundabout. Circulate clockwise, passing around the island to the left. Give way to vehicles already circulating and do not cut in front of or force your way between them.
ไทย • บ.48 • วงเวียน. ขับรถวนตามเข็มนาฬิกาโดยอ้อมวงเวียนไปทางซ้าย ให้รถที่อยู่ในวงเวียนผ่านไปก่อน และอย่าตัดหน้าหรือแทรกรถในวงเวียน
Sources
🔗 Commons.wikimedia.org (So Monggo • CC BY-SA 4.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 79
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-12-06. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 79. Catalogue-equivalent illustration; intentional update from the previous PNG.
5. What does this traffic sign mean?
This traffic sign means no entry. Drivers may not enter from the direction in which the sign is placed.
English • Traffic sign บ.5 • No entry. Vehicles of any kind must not enter from the direction faced by the sign.
ไทย • บ.5 • ห้ามเข้า. ห้ามขับรถทุกชนิดเข้าไปในทางที่ติดตั้งป้ายนี้จากทิศทางที่ป้ายหันมา
Sources
🔗 Commons.wikimedia.org (Woodennature • CC BY-SA 3.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 60
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-11-15. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 60. Catalogue-equivalent illustration; intentional update from the previous PNG.
6. What does this traffic sign mean?
This traffic sign indicates a warning for a pedestrian crossing. A designated pedestrian crossing lies ahead. Reduce speed when necessary, watch carefully for pedestrians and be prepared to give way or stop according to the applicable local priority rules.
English • Traffic sign ต.56 • Pedestrians crossing. Reduce speed and prepare to stop so pedestrians can cross safely.
ไทย • ต.56 • คนข้ามถนน. ข้างหน้าอาจมีคนข้ามถนน ให้ลดความเร็วและเตรียมหยุดรถให้คนเดินเท้าข้ามอย่างปลอดภัย
Sources
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 113
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-12-17. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 113. Catalogue-equivalent illustration; intentional update from the previous PNG.
7. What does this traffic sign mean?
This traffic sign indicates a warning for traffic lights ahead. Traffic signals are located ahead and may not be visible early enough without advance warning. Reduce speed and be prepared to stop if the signal requires it.
English • Traffic sign ต.53 • Traffic signals ahead. Reduce speed and obey the lights at the controlled point.
ไทย • ต.53 • สัญญาณจราจรข้างหน้า. ข้างหน้ามีสัญญาณไฟจราจร ให้ลดความเร็วและปฏิบัติตามสัญญาณไฟเมื่อถึงจุดควบคุม
Sources
🔗 Commons.wikimedia.org (So Monggo • CC BY-SA 4.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 110
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-12-07. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 110. Catalogue-equivalent illustration; intentional update from the previous PNG.
8. What does this traffic sign mean?
This traffic sign indicates a mandatory path for cyclists. Cyclists must use the designated path where the sign applies. Other road users may use the path only where the applicable signs or local rules permit them to do so.
English • Traffic sign บ.52 • Cycle lane. Reserved specifically for bicycles; follow the signs and lane markings.
ไทย • บ.52 • ช่องเดินรถจักรยาน. ช่องทางนี้กำหนดไว้สำหรับรถจักรยานโดยเฉพาะ ให้ใช้ตามป้ายและเครื่องหมายกำหนดช่องทาง
Sources
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 84
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-11-12. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 84. Catalogue-equivalent illustration; intentional update from the previous PNG.
9. What does this traffic sign mean?
This traffic sign indicates stop and give way ahead. A stop sign applies at the location ahead. Reduce speed in good time and be prepared to come to a complete stop.
English • Traffic sign ต.54 • Stop ahead. Reduce speed and prepare to stop completely at the designated point.
ไทย • ต.54 • หยุดข้างหน้า. ข้างหน้ามีป้ายหยุด ให้ลดความเร็วและเตรียมหยุดรถให้สนิทเมื่อถึงจุดที่กำหนด
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 111
SVG source: Government of Thailand • Public domain • Original revision 2025-10-08. Wikimedia original unmodified.
10. What does this traffic sign mean?
This traffic sign means give way. Slow down and give way to traffic that has priority. Stop if necessary and proceed only when it is safe.
English • Traffic sign บ.2 • Give way. Slow down and let vehicles or pedestrians with priority pass. Stop if necessary.
ไทย • บ.2 • ให้ทาง. ชะลอรถและให้รถหรือคนเดินเท้าที่มีสิทธิผ่านไปก่อน หากจำเป็นต้องหยุดรถเพื่อให้ทาง
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 57
SVG source: Government of Thailand • Public domain • Original revision 2017-11-08. Wikimedia original unmodified.
11. What does this traffic sign mean?
This traffic sign indicates a warning for a curve to the left. A left-hand bend lies ahead. Reduce speed before entering the curve, maintain your lane position and use smooth steering.
English • Traffic sign ต.1 • Left-hand bend. Reduce speed before entering and keep carefully to the left.
ไทย • ต.1 • ทางโค้งซ้าย. ข้างหน้ามีทางโค้งไปทางซ้าย ให้ลดความเร็วก่อนเข้าโค้งและขับชิดด้านซ้ายอย่างระมัดระวัง
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 90
SVG source: Government of Thailand • Public domain • Original revision 2017-12-16. Wikimedia original unmodified.
12. What does this traffic sign mean?
This traffic sign indicates a warning for an uncontrolled crossroad. An intersection without traffic signals or signs assigning priority lies ahead. Reduce speed, watch for traffic approaching from other directions and follow the applicable local priority rules.
English • Traffic sign ต.11 • Junction ahead. Reduce speed and watch for vehicles entering the junction.
ไทย • ต.11 • ทางแยกข้างหน้า. ข้างหน้ามีทางแยกตัดกัน ให้ลดความเร็วและระวังรถที่เข้าสู่ทางแยก
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 93
SVG source: Government of Thailand • Public domain • Original revision 2017-12-08. Wikimedia original unmodified.
13. What does this traffic sign mean?
This traffic sign indicates a warning for cattle. Cattle or other livestock may be crossing, walking along or standing near the road. Reduce speed, be prepared to stop and avoid sudden movements or unnecessary use of the horn that could startle the animals.
English • Traffic sign ต.58 • Domestic animals. Animals may enter or cross the road. Reduce speed and prepare to stop if necessary.
ไทย • ต.58 • ระวังสัตว์เลี้ยง. ข้างหน้าอาจมีสัตว์เลี้ยงเดินขึ้นมาบนทางหรือข้ามทาง ให้ลดความเร็วและเตรียมหยุดหากจำเป็น
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 114
SVG source: Government of Thailand • Public domain • Original revision 2018-01-04. Wikimedia original unmodified.
14. What does this traffic sign mean?
This traffic sign indicates a warning for two-way traffic. Oncoming traffic will use the same road or carriageway ahead. Keep to the correct side of the road and overtake only where it is permitted and clearly safe.
English • Traffic sign ต.52 • Two-way traffic. Keep left and watch oncoming vehicles.
ไทย • ต.52 • ทางเดินรถสองทิศทาง. ข้างหน้าเป็นทางที่มีรถสวนกัน ให้ขับชิดด้านซ้ายและระวังรถสวนทาง
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 109
SVG source: Government of Thailand • Public domain • Original revision 2017-12-08. Wikimedia original unmodified.
15. What does this traffic sign mean?
This traffic sign indicates a warning for a road narrowing. The available width of the road or carriageway decreases ahead. Reduce speed, maintain sufficient lateral clearance and watch carefully for approaching or adjacent traffic.
English • Traffic sign ต.22 • Road narrows on both sides. Reduce speed and watch oncoming vehicles.
ไทย • ต.22 • ทางแคบลงทั้งสองด้าน. ทางข้างหน้าแคบลงทั้งสองด้าน ให้ลดความเร็วและระวังรถที่สวนมา
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 94
SVG source: Government of Thailand • Public domain • Original revision 2017-12-16. Wikimedia original unmodified.
16. What does this traffic sign mean?
This traffic sign indicates that vehicles higher than indicated are prohibited. A vehicle or vehicle combination whose overall height, including its load, exceeds the displayed limit may not continue beyond the sign.
English • Traffic sign บ.35 • Height limit: 4.2 m. Vehicles exceeding 4.2 m overall height including their load must not enter.
ไทย • บ.35 • จำกัดความสูง 4.2 เมตร. ห้ามรถที่มีความสูงรวมสิ่งของที่บรรทุกเกิน 4.2 เมตรเข้าไปในทางที่ติดตั้งป้าย
17. What does this traffic sign mean?
This traffic sign indicates that you have priority at the next intersection. Side roads join from the left and right, and traffic entering from those side roads must give way.
English • Traffic sign Junction warning sign family • Crossroads ahead. Reduce speed and watch for traffic from the junction shown. Obey its signs and signals. The meaning is confirmed at sign-family level; this drawing does not match every part of the verifiable standard design.
ไทย • กลุ่มป้ายเตือนทางแยก • ทางแยกตัดผ่านข้างหน้า. ข้างหน้ามีทางแยกตัดผ่านตามรูปในป้าย ให้ลดความเร็วและระวังรถจากทางแยก ปฏิบัติตามป้ายและสัญญาณที่ควบคุมทางแยกนั้น ยืนยันความหมายในระดับกลุ่มป้าย รูปแบบภาพนี้ยังไม่ตรงกับแบบมาตรฐานที่ตรวจสอบได้ทุกส่วน
18. What does this traffic sign mean?
This traffic sign indicates a warning for a series of curves. One or more changes in direction lie ahead and may occur in quick succession. Reduce speed before entering the winding section, maintain your lane position and use smooth steering.
English • Traffic sign ต.9 • Winding road, first to the left. Reduce speed and drive carefully through the series of bends.
ไทย • ต.9 • ทางคดเคี้ยวเริ่มซ้าย. ข้างหน้ามีทางโค้งหลายแห่งต่อเนื่องกัน โดยโค้งแรกไปทางซ้าย ให้ลดความเร็วและขับด้วยความระมัดระวัง
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 92
SVG source: Government of Thailand • Public domain • Original revision 2017-12-22. Wikimedia original unmodified.
19. What does this traffic sign mean?
This traffic sign indicates a warning for the end of a divided road. The separation between opposing directions of traffic ends ahead, and oncoming traffic will no longer be divided by a central reservation. Reduce speed and adjust to the new road layout.
English • Traffic sign ต.49 • Dual carriageway ends. Keep left and watch oncoming vehicles where the central island ends.
ไทย • ต.49 • สิ้นสุดทางคู่. ข้างหน้าสิ้นสุดทางคู่และไม่มีเกาะแบ่งทิศทางการจราจร ให้ระวังรถสวนทางและขับชิดด้านซ้าย
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 108
SVG source: Government of Thailand • Public domain • Original revision 2018-01-09. Wikimedia original unmodified.
20. What does this traffic sign mean?
This traffic sign indicates a warning for a bad or uneven road surface. Potholes, bumps, depressions or other surface irregularities may affect vehicle stability and braking. Reduce speed and avoid sudden manoeuvres.
English • Traffic sign ต.36 • Rough surface. Holes, depressions or successive ridges are ahead. Reduce speed and take extra care.
ไทย • ต.36 • ผิวทางขรุขระ. ผิวทางข้างหน้าขรุขระ มีหลุม บ่อ หรือสันต่อเนื่องกัน ให้ลดความเร็วและเพิ่มความระมัดระวัง
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 102
SVG source: Government of Thailand • Public domain • Original revision 2018-01-10. Wikimedia original unmodified.
21. What does this traffic sign mean?
This traffic sign indicates the start of a mandatory path for pedestrians. Pedestrians must use the designated path, while other road users may use it only where the applicable signs or local rules permit them to do so.
English • Traffic sign บ.53 • Pedestrians only. Reserved for pedestrians, with the wheelchair exception specified in the manual.
ไทย • บ.53 • ทางสำหรับคนเดินเท้า. บริเวณนี้ให้ใช้เฉพาะคนเดินเท้า โดยยกเว้นรถเข็นสำหรับคนพิการตามที่คู่มือกำหนด
Sources
🔗 Commons.wikimedia.org (So Monggo • CC BY-SA 4.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 85
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2025-12-18. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 85. Catalogue-equivalent illustration; intentional update from the previous PNG.
22. What does this traffic sign mean?
This traffic sign indicates that turning left or right is mandatory at the junction ahead. Traffic may turn either left or right but may not continue straight ahead.
English • Traffic sign บ.45 • Left or right only. Turn only in one of the arrow directions.
ไทย • บ.45 • ให้เลี้ยวซ้ายหรือขวา. ให้เลี้ยวรถไปทางซ้ายหรือขวาเท่านั้นตามลูกศรในป้าย
Sources
🔗 Commons.wikimedia.org (So Monggo • CC BY-SA 4.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 78
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-12-06. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 78. Catalogue-equivalent illustration; intentional update from the previous PNG.
23. What does this traffic sign mean?
This traffic sign indicates that overtaking is prohibited. The vehicles covered by the prohibition and any categories that may still be overtaken depend on the applicable local rules.
English • Traffic sign บ.4 • No overtaking. Overtaking other vehicles is prohibited in the controlled area.
ไทย • บ.4 • ห้ามแซง. ห้ามขับรถแซงรถคันอื่นในเขตที่ป้ายนี้ควบคุม
Sources
🔗 Commons.wikimedia.org (So Monggo • CC BY-SA 4.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 60
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-11-08. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 60. Catalogue-equivalent illustration; intentional update from the previous PNG.
24. What does this traffic sign mean?
This traffic sign indicates a warning for a roundabout. A roundabout lies ahead. Reduce speed and follow the applicable priority signs, traffic signals and local roundabout rules when approaching and entering it.
English • Traffic sign ต.21 • Roundabout ahead. Reduce speed and prepare to pass around the roundabout to the left.
ไทย • ต.21 • วงเวียนข้างหน้า. ข้างหน้ามีวงเวียน ให้ลดความเร็วและเตรียมขับรถอ้อมวงเวียนไปทางซ้าย
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 94
SVG source: Government of Thailand • Public domain • Original revision 2018-01-11. Wikimedia original unmodified.
25. What does this traffic sign mean?
This traffic sign indicates a warning for a railway crossing with barriers. It alerts drivers to an upcoming level crossing with gates or barriers that close when a train approaches. Drivers should be ready to stop when the barriers are down or flashing lights activate. Never attempt to cross when gates are closing or closed.
English • Traffic sign ต.29 • Railway crossing with barriers. Reduce speed and obey the barriers and signals.
ไทย • ต.29 • ทางข้ามรถไฟมีเครื่องกั้น. ข้างหน้ามีทางรถไฟตัดผ่านระดับเดียวกับถนนและมีเครื่องกั้น ให้ลดความเร็วและปฏิบัติตามเครื่องกั้นและสัญญาณที่ติดตั้ง
Sources
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 97
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-12-09. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 97. Catalogue-equivalent illustration; intentional update from the previous PNG.
26. What does this traffic sign mean?
This traffic sign indicates a warning for crossing deer. Deer or other wild animals may enter the road unexpectedly, especially around dawn or dusk. Reduce speed, watch the roadside carefully and be prepared for more than one animal to cross.
English • Traffic sign ต.58 • wild-animal symbol • Wild animals. The animals shown may enter or cross the road. Reduce speed and take care.
ไทย • ต.58 • รูปสัตว์ป่า • ระวังสัตว์ป่า. ข้างหน้าอาจมีสัตว์ป่าตามรูปในป้ายเดินออกมาบนทางหรือข้ามทาง ให้ลดความเร็วและระมัดระวัง
Sources
27. What does this traffic sign mean?
This traffic sign indicates the start of a minimum speed. Road users covered by the sign must travel at or above the indicated speed when conditions allow. Driving more slowly may still be necessary because of traffic, weather, road conditions or another safety-related reason.
English • Traffic sign บ.54 • Minimum speed: 30 km/h. Sets a 30 km/h minimum on the controlled lane or section. Take traffic conditions and safety into account.
ไทย • บ.54 • ความเร็วขั้นต่ำ 30 กม./ชม.. ป้ายนี้กำหนดความเร็วไม่ต่ำกว่า 30 กิโลเมตรต่อชั่วโมงในช่องทางหรือช่วงทางที่ควบคุม ให้คำนึงถึงสภาพการจราจรและความปลอดภัยด้วย
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 85
SVG source: Government of Thailand • Public domain • Original revision 2017-11-12. Wikimedia original unmodified.
28. What does this traffic sign mean?
This traffic sign indicates a warning for a speed bump. A raised traffic-calming feature lies ahead. Reduce speed before reaching it to maintain vehicle control and avoid damage or discomfort.
English • Traffic sign ต.35 • Hump or level change. The road surface may cause vehicles to bounce; reduce speed before passing.
ไทย • ต.35 • รถกระโดด. ข้างหน้ามีการเปลี่ยนระดับหรือเนินบนผิวทาง ซึ่งอาจทำให้รถกระโดด ให้ลดความเร็วก่อนผ่าน
Sources
🔗 Commons.wikimedia.org (Fiq Shafiq • CC BY-SA 3.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 102
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-12-16. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 102. Catalogue-equivalent illustration; intentional update from the previous PNG.
29. What does this traffic sign mean?
This traffic sign indicates a warning for a road narrowing on the left. The available road width decreases from the left side ahead. Reduce speed, follow the lane markings and maintain sufficient clearance from other traffic and the road edge.
English • Traffic sign ต.23 • Road narrows on the left. Reduce speed and watch your lane position.
ไทย • ต.23 • ทางแคบด้านซ้าย. ทางข้างหน้าด้านซ้ายแคบลง ให้ลดความเร็วและระวังตำแหน่งรถในช่องเดินรถ
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 95
SVG source: Government of Thailand • Public domain • Original revision 2017-12-16. Wikimedia original unmodified.
30. What does this traffic sign mean?
This traffic sign indicates a warning for a side road merging with the main road. Traffic from a side road joins the traffic flow ahead. Stay alert, maintain a safe gap and adjust your speed when necessary to allow traffic to merge safely.
English • Traffic sign ต.46 • Merging traffic from the left. Vehicles join in the same direction from the left; watch for them.
ไทย • ต.46 • ทางร่วมด้านซ้าย. ข้างหน้ามีรถเข้ามาร่วมทางในทิศทางเดียวกันจากด้านซ้าย ให้ระวังรถที่เข้ามาร่วมทาง
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 107
SVG source: Government of Thailand • Public domain • Original revision 2017-12-20. Wikimedia original unmodified.
31. What does this traffic sign mean?
This traffic sign indicates a warning for successive curves, with the first curve to the right. Reduce speed before entering the winding section, maintain your lane position and be prepared for further changes in direction.
English • Traffic sign ต.6 • Reverse bends, first to the right. Successive bends in opposite directions are ahead; reduce speed.
ไทย • ต.6 • ทางโค้งกลับเริ่มขวา. ข้างหน้ามีทางโค้งต่อเนื่องในทิศทางตรงกันข้าม โดยโค้งแรกไปทางขวา ให้ลดความเร็ว
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 91
SVG source: Government of Thailand • Public domain • Original revision 2017-12-16. Wikimedia original unmodified.
32. What does this traffic sign mean?
This traffic sign indicates give way ahead. A give-way requirement applies at the location ahead. Reduce speed in good time and be prepared to stop if necessary.
English • Traffic sign ต.55 • Give way ahead. Reduce speed and prepare to give way at the indicated point.
ไทย • ต.55 • ให้ทางข้างหน้า. ข้างหน้ามีป้ายให้ทาง ให้ลดความเร็วและเตรียมให้ทางเมื่อถึงจุดที่กำหนด
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 112
SVG source: Government of Thailand • Public domain • Original revision 2017-12-09. Wikimedia original unmodified.
33. What does this traffic sign mean?
This traffic sign indicates a warning for a railway crossing with one track. It alerts drivers to a level crossing where a single railway track crosses the road. Drivers should approach with caution and be prepared to stop, even if no barriers or warning lights are active.
34. What does this traffic sign mean?
This traffic sign means stop and give way. You must come to a complete stop before entering the intersection and give way to traffic that has priority. Proceed only when it is safe.
English • Traffic sign บ.1 • Stop. Stop completely before the junction or stop line. Let vehicles and pedestrians with priority pass, then proceed when safe.
ไทย • บ.1 • หยุด. หยุดรถให้สนิทก่อนถึงทางแยกหรือเส้นหยุด ให้รถและคนเดินเท้าที่มีสิทธิผ่านไปก่อน แล้วจึงเคลื่อนรถเมื่อปลอดภัย
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 55
Image via Commons.wikimedia.org
Government of Thailand • Public domain • Source revision 2025-04-16. Wikimedia original unmodified.
35. What does this traffic sign mean?
This traffic sign indicates a warning for falling rocks. Rocks or stones may fall from nearby slopes or may already be lying on the road. Reduce speed, scan the road ahead and be prepared to avoid or stop for fallen material.
English • Traffic sign ต.40 • Falling rocks. Rocks may fall or obstruct the surface ahead. Reduce speed and take care.
ไทย • ต.40 • ระวังหินร่วง. ข้างหน้าอาจมีหินร่วงลงมาหรือหินกีดขวางผิวทาง ให้ลดความเร็วและระวังอันตราย
Sources
🔗 Commons.wikimedia.org (Fiq Shafiq • CC BY-SA 3.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 104
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-12-12. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 104. Catalogue-equivalent illustration; intentional update from the previous PNG.
36. What does this traffic sign mean?
This traffic sign indicates that traffic must pass an obstacle on the right. Keep to the right of the obstacle and follow any accompanying signs or road markings.
English • Traffic sign บ.41 • Keep right. Pass to the right of the sign or obstacle following the arrow.
ไทย • บ.41 • ให้ชิดขวา. ขับรถผ่านด้านขวาของป้ายหรือสิ่งกีดขวางตามทิศทางลูกศร
Sources
🔗 Commons.wikimedia.org (So Monggo • CC BY-SA 4.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 75
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-11-12. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 75. Catalogue-equivalent illustration; intentional update from the previous PNG.
37. What does this traffic sign mean?
This traffic sign indicates a warning for successive curves, with the first curve to the left. Reduce speed before entering the winding section, maintain your lane position and be prepared for further changes in direction.
English • Traffic sign ต.5 • Reverse bends, first to the left. Successive bends in opposite directions are ahead; reduce speed.
ไทย • ต.5 • ทางโค้งกลับเริ่มซ้าย. ข้างหน้ามีทางโค้งต่อเนื่องในทิศทางตรงกันข้าม โดยโค้งแรกไปทางซ้าย ให้ลดความเร็ว
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 91
SVG source: Government of Thailand • Public domain • Original revision 2017-12-16. Wikimedia original unmodified.
38. What does this traffic sign mean?
This traffic sign indicates that turning right is prohibited. A right turn may not be made where the sign applies. Other movements may still be permitted unless another restriction applies.
English • Traffic sign บ.9 • No right turn. Right turns are prohibited in the controlled area.
ไทย • บ.9 • ห้ามเลี้ยวขวา. ห้ามเลี้ยวรถไปทางขวาในบริเวณที่ป้ายนี้ควบคุม
Sources
🔗 Commons.wikimedia.org (So Monggo • CC BY-SA 4.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 61
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-11-13. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 61. Catalogue-equivalent illustration; intentional update from the previous PNG.
39. What does this traffic sign mean?
This traffic sign indicates that turning left is prohibited. A left turn may not be made where the sign applies. Other movements may still be permitted unless another restriction applies.
English • Traffic sign บ.8 • No left turn. Left turns are prohibited in the controlled area.
ไทย • บ.8 • ห้ามเลี้ยวซ้าย. ห้ามเลี้ยวรถไปทางซ้ายในบริเวณที่ป้ายนี้ควบคุม
Sources
🔗 Commons.wikimedia.org (So Monggo • CC BY-SA 4.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 61
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-11-13. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 61. Catalogue-equivalent illustration; intentional update from the previous PNG.
40. What does this traffic sign mean?
This traffic sign indicates that parking is prohibited. Vehicles may not be parked in the area covered by the sign unless an exception applies. Brief stopping to pick up or drop off passengers or to load or unload goods may still be permitted where local rules allow it.
English • Traffic sign บ.29 • No parking. Brief stops to pick up or set down people or goods are excepted, provided they are completed without delay.
ไทย • บ.29 • ห้ามจอดรถ. ห้ามจอดรถในเขตที่ป้ายนี้ควบคุม ยกเว้นหยุดรับส่งคนหรือสิ่งของชั่วขณะโดยต้องกระทำโดยไม่ชักช้า
Sources
🔗 Commons.wikimedia.org (So Monggo • CC BY-SA 4.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 67
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-11-08. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 67. Catalogue-equivalent illustration; intentional update from the previous PNG.
41. What does this traffic sign mean?
This traffic sign indicates that parking and stopping are prohibited. Vehicles may not stop or park voluntarily where the restriction applies, except where an applicable rule provides an exemption or stopping is required by traffic conditions.
English • Traffic sign บ.30 • No stopping. Stopping or parking, including picking up or setting down people or goods, is prohibited.
ไทย • บ.30 • ห้ามหยุดรถ. ห้ามหยุดหรือจอดรถในเขตที่ป้ายนี้ควบคุม รวมถึงการรับส่งคนหรือสิ่งของ
Sources
🔗 Commons.wikimedia.org (So Monggo • CC BY-SA 4.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 67
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-11-08. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 67. Catalogue-equivalent illustration; intentional update from the previous PNG.
42. What does this traffic sign mean?
This traffic sign indicates a warning for roadworks. Construction or maintenance work is taking place on or beside the road. Reduce speed where necessary and be prepared for workers, machinery, temporary traffic signals, changed lane layouts or uneven road surfaces.
English • Traffic sign ตก.3 • Workers ahead. Workers may be on or near the carriageway. Reduce speed and watch for people, equipment and temporary instructions.
ไทย • ตก.3 • คนทำงาน. ข้างหน้ามีคนทำงานบนผิวจราจรหรือใกล้ผิวจราจร ให้ลดความเร็วและระวังคนงาน เครื่องมือ และคำสั่งชั่วคราว
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 3 • หน้า PDF 49
SVG source: Government of Thailand • Public domain • Original revision 2018-01-27. Wikimedia original unmodified.
43. What does this traffic sign mean?
This traffic sign indicates a mandatory direction to the left. Traffic must proceed to the left at the sign and may not continue straight ahead or to the right.
English • Traffic sign บ.38 • One-way to the left. Follow the arrow left onto the one-way road ahead.
ไทย • บ.38 • เดินรถทางเดียวไปทางซ้าย. ทางข้างหน้าเป็นทางเดินรถทางเดียว ให้ขับรถไปทางซ้ายตามลูกศร
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 73
SVG source: Government of Thailand • Public domain • Original revision 2017-11-12. Wikimedia original unmodified.
44. What does this traffic sign mean?
This traffic sign indicates that traffic must pass an obstacle on either the left or the right. Use either permitted side while following the road layout and any accompanying signs or markings.
English • Traffic sign บ.42 • Pass on either side. Follow either arrow past the sign or obstacle.
ไทย • บ.42 • ให้ชิดซ้ายหรือชิดขวา. ขับรถผ่านด้านซ้ายหรือด้านขวาของป้ายหรือสิ่งกีดขวางก็ได้ตามลูกศร
Sources
🔗 Commons.wikimedia.org (So Monggo • CC BY-SA 4.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 76
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-11-14. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 76. Catalogue-equivalent illustration; intentional update from the previous PNG.
45. What does this traffic sign mean?
This traffic sign indicates a warning for a steep descent. A steep downhill gradient lies ahead and the vehicle may gain speed quickly. Reduce speed before the descent, select a suitable gear and use engine braking where appropriate. Allow extra distance for heavy or towing vehicles.
English • Traffic sign Sign family ต.34 • Steep descent. Reduce speed, use a suitable gear and maintain control. The image gives no gradient percentage. The meaning is confirmed at sign-family level; this drawing does not match every part of the verifiable standard design.
ไทย • กลุ่ม ต.34 • ทางลงลาดชัน. ข้างหน้าเป็นทางลงลาดชัน ให้ลดความเร็ว ใช้เกียร์ที่เหมาะสม และรักษาการควบคุมรถ ภาพนี้ไม่ได้ระบุค่าความลาดชันเป็นร้อยละ ยืนยันความหมายในระดับกลุ่มป้าย รูปแบบภาพนี้ยังไม่ตรงกับแบบมาตรฐานที่ตรวจสอบได้ทุกส่วน
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 101
Image via Commons.wikimedia.org
Gobierno de Colombia • Public domain • Source revision 2017-09-12. Wikimedia original unmodified.
46. What does this traffic sign mean?
This traffic sign indicates a warning for a narrowing ahead. The available road width decreases ahead. Reduce speed when necessary and be prepared for less lateral space between vehicles, obstacles or the road edge.
English • Traffic sign ต.25 • Narrow bridge. Meeting oncoming traffic is difficult. Reduce speed and observe any additional control signs.
ไทย • ต.25 • สะพานแคบ. ข้างหน้ามีสะพานแคบ รถสวนกันไม่สะดวก ให้ลดความเร็วและระวังรถที่สวนมา ปฏิบัติตามป้ายควบคุมที่ติดตั้งเพิ่มเติม
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 95
SVG source: Government of Thailand • Public domain • Original revision 2017-12-16. Wikimedia original unmodified.
47. What does this traffic sign mean?
This traffic sign indicates that turning around (making a U-turn) is prohibited. A U-turn may not be made where the prohibition applies. Other movements may still be permitted unless another restriction applies.
English • Traffic sign บ.7 • No left U-turn. Leftward U-turns are prohibited in the controlled area.
ไทย • บ.7 • ห้ามกลับรถไปทางซ้าย. ห้ามกลับรถไปทางซ้ายในบริเวณที่ป้ายนี้ควบคุม
Sources
🔗 Commons.wikimedia.org (So Monggo • CC BY-SA 4.0)
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 61
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-11-08. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 61. Catalogue-equivalent illustration; intentional update from the previous PNG.
48. What does this traffic sign mean?
This traffic sign indicates a warning for an uncontrolled Y-junction. The road divides or meets another road at a Y-shaped intersection where no signs or signals assign priority. Reduce speed and follow the applicable default priority rules.
English • Traffic sign ต.12 • Y-junction. Reduce speed and choose your direction carefully.
ไทย • ต.12 • ทางแยกรูปตัววาย. ข้างหน้ามีทางแยกรูปตัววาย ให้ลดความเร็วและเลือกทิศทางที่จะไปด้วยความระมัดระวัง
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 93
SVG source: Government of Thailand • Public domain • Original revision 2017-12-11. Wikimedia original unmodified.
49. What does this traffic sign mean?
This traffic sign indicates a mandatory path for motorcycles. Motorcyclists must use the designated path or route where the sign applies. Other road users may use it only where the applicable signs or local rules permit them to do so.
English • Traffic sign บ.51 • Motorcycle lane. Reserved specifically for motorcycles; follow the signs and lane markings.
ไทย • บ.51 • ช่องเดินรถจักรยานยนต์. ช่องทางนี้กำหนดไว้สำหรับรถจักรยานยนต์โดยเฉพาะ ให้ใช้ตามป้ายและเครื่องหมายกำหนดช่องทาง
Sources
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 84
SVG source: Commons.wikimedia.org • Original SVG
Government of Thailand • Public domain • Original revision 2017-11-19. Wikimedia original unmodified.
Artwork reviewed against the Thai Department of Highways 2018 catalogue: Doh.go.th • PDF page 84. Catalogue-equivalent illustration; intentional update from the previous PNG.
50. What does this traffic sign mean?
This traffic sign indicates a warning for a curve to the right. A right-hand bend lies ahead. Reduce speed before entering the curve, maintain your lane position and use smooth steering.
English • Traffic sign ต.2 • Right-hand bend. Reduce speed before entering and keep carefully to the left.
ไทย • ต.2 • ทางโค้งขวา. ข้างหน้ามีทางโค้งไปทางขวา ให้ลดความเร็วก่อนเข้าโค้งและขับชิดด้านซ้ายอย่างระมัดระวัง
Sources
🔗 Commons.wikimedia.org
🔗 Doh.go.th • กรมทางหลวง • คู่มือ พ.ศ. 2561 • เล่ม 1 • หน้า PDF 90
SVG source: Government of Thailand • Public domain • Original revision 2017-12-16. Wikimedia original unmodified.