Driving in Thailand: licences, insurance and the road as it really is.

The licence question, honestly

To drive lawfully in Thailand a foreign visitor needs either a Thai driving licence or a valid foreign licence accompanied by an International Driving Permit that Thailand recognises. The complication, and it is a real one that agents routinely gloss over, is that there are two international conventions governing these permits: the 1949 Geneva Convention and the 1968 Vienna Convention. Thailand is a party to the 1949 Geneva Convention, and it is the Geneva format permit that Thai law most clearly recognises.

In practice, enforcement and acceptance vary. A rental desk may accept a permit that a traffic officer questions, and an insurer's position on a claim may differ from both. Because the consequence of getting this wrong is not a fine but a potentially void insurance policy after an accident, we tell clients to treat it as a question to settle in advance rather than at the counter. Confirm before you travel, with the Royal Thai Embassy or with Thailand's Department of Land Transport, which permit format they accept for your licence, and carry the original licence alongside the permit, since a permit alone is not valid without it.

For anyone staying more than a few months, the clean answer is a Thai driving licence, and it is far less painful than expected.

Getting a Thai licence

A Thai licence is issued by the Department of Land Transport and is available to foreigners who can demonstrate residence in Thailand. The usual requirements are a passport with a valid non tourist visa or, at some offices, an acceptable long stay status; a certificate of residence issued by the immigration office or by your embassy; a medical certificate from a Thai clinic, which is a brief and inexpensive appointment; and attendance at the transport office for colour blindness, reaction and depth perception tests, a road safety video session lasting several hours, and written and practical tests unless your existing licence exempts you from them.

The first licence is issued for two years and is then renewed for five. Documents must generally be translated and, in some cases, certified. Requirements differ noticeably between provincial offices, which is not disorganisation so much as local discretion, and the sensible approach is to telephone or visit the specific office in advance with a list rather than to arrive optimistic. A Thai licence also removes the international permit question entirely and is recognised across several neighbouring countries.

Renting, and what to check

For stays of up to a few months, renting is almost always the right answer. The international rental companies operate at Phuket, Bangkok, Samui and Krabi airports, and their contracts, insurance and vehicle standards are predictable. Local operators are cheaper and range from excellent to poor, and the difference shows only after an incident.

• Confirm the insurance class in writing. First class insurance is comprehensive; lower classes cover progressively less, and the cheapest rentals often carry only the compulsory minimum.
• Check the excess or deductible figure, and whether a damage waiver reduces it.
• Photograph the entire vehicle, including the roof and wheels, before leaving the lot, with the date visible.
• Never leave your passport as a deposit. A copy is acceptable; the original should not leave your possession.
• Confirm the insurance remains valid on ferries and on the smaller islands if you intend to take the car across.
• Check that the compulsory third party certificate and the annual inspection are current, both of which are displayed on the windscreen.

Buying makes sense from roughly a year onward. A foreigner can own a vehicle in Thailand, but registration requires a certificate of residence from immigration or your embassy, and the process is document heavy. Used cars hold value well in Thailand, which is good news on resale and bad news on purchase. Have any used vehicle inspected independently, and confirm the registration book, the outstanding finance position and the transfer at the transport office rather than through the seller.

Insurance, and the two layers

Thai motor insurance has two layers and conflating them is a common and expensive error. The first is compulsory third party liability, universally known by its abbreviation and required by law on every registered vehicle. Its limits are low and it covers personal injury to third parties only. The second is voluntary insurance, sold in classes, with first class being full comprehensive cover including your own vehicle, third party property damage and injury, and usually theft and fire.

Compulsory cover alone is nowhere near enough. Medical costs at a Thai private hospital after a serious collision, and liability for injury to another road user, run far beyond its limits, and the shortfall lands on the driver personally. On a rental this means insisting on first class cover; on an owned vehicle it means buying it annually and reading what it excludes. Two exclusions matter especially: driving without a valid licence recognised in Thailand, and driving with alcohol in the blood above the legal limit, either of which can void the policy entirely and leave a family exposed to the full cost of an accident.

The road safety picture, without softening

Thailand has one of the highest road fatality rates in the world, and this deserves to be stated plainly rather than buried. Motorcycles account for the large majority of those deaths. Foreign visitors are heavily over represented in serious injuries in Phuket, Samui and Krabi, and the pattern is depressingly consistent: a rented scooter, no proper licence, no helmet or a token one, unfamiliar roads, sometimes alcohol, frequently a hill or a wet surface.

Our office's position on scooters for clients and their children is unambiguous. We do not arrange them. A family that wants two wheels should understand that most travel insurance excludes motorcycle injuries unless the rider holds a licence valid for that engine class and wears a helmet, that Phuket's hills around Patong and Karon are steep and slick in the rain, and that a road rash injury alone can mean weeks in hospital. For getting around, a car with a driver costs little more than a rental in most of Thailand and removes the entire category of risk. It is the single easiest safety decision available to a visiting family.

• Drive on the left. The first two days are the dangerous ones, particularly at junctions and roundabouts.
• Motorcycles filter constantly and from both sides. Mirror checks before every lane change and before opening a door.
• Rural night driving carries unlit vehicles, livestock and pedestrians. Avoid it where you reasonably can.
• Seatbelts front and rear, and proper child seats, which many rental firms supply only if booked in advance.
• The drink driving limit is low and enforced with roadside checkpoints. Treat the answer as zero.
• Rain transforms the road surface in the first minutes of a downpour. Slow down or stop.

If something happens

After a collision, do not move the vehicles until the police and the insurers' assessors have attended, unless someone is in danger or the road is blocked, because the scene as it stands is the evidence. Telephone the emergency services, then the insurer's claim line, then the rental company. Photograph everything, including the other vehicle's registration and the position of both vehicles. Exchange details but do not agree fault, sign a Thai language document you have not had translated, or hand over cash at the roadside.

Where there is injury, a Thai police report will follow and the matter becomes a legal one. Contact your embassy or consulate, and instruct a Thai lawyer promptly; consular staff can provide a list of local lawyers and can assist with the practicalities, though they cannot represent you. Insurers in Thailand routinely send an assessor to the scene, which is helpful, but the assessor works for the insurer. Say what happened, factually and briefly, and leave the negotiation to the professionals.

Licensing rules, accepted international permit formats, insurance requirements and traffic law change and are applied differently between provinces. Verify the current position with Thailand's Department of Land Transport and with the Royal Thai Embassy before driving, and confirm your insurance cover in writing with your insurer.

This briefing is general information, not legal, tax or investment advice. Thai rules change frequently and individual cases differ. Verify current requirements with the relevant authorities, including the Immigration Bureau, the Board of Investment, the Land Department, the Department of Business Development and the Revenue Department, and take advice on your own facts before acting.