Thailand introduced stricter traffic law enforcement from April 1st, 2026, with increased penalties for a range of driving offences. These updated rules apply to both residents and foreign visitors travelling within the country.
The infographic above outlines the most important traffic laws, fines, and drink-driving regulations that tourists should be aware of before driving in Thailand.
Common Traffic Offences
Thailand has increased penalties for several common road offences, including:
- Speeding – Fines up to 4,000 THB
- Running a red light – Fines up to 4,000 THB
- Failing to stop for pedestrians – Fines up to 4,000 THB
- Using a mobile phone while driving – Fines up to 4,000 THB
Authorities are now enforcing these rules more strictly, particularly in busy tourist and urban areas.
Safety Violations
Drivers and passengers are also expected to follow basic road safety requirements.
Common penalties include:
- Driving the wrong way – Fines up to 2,000 THB
- Not wearing a helmet – Fines up to 2,000 THB
- Not wearing a seatbelt – Fines up to 2,000 THB
- Not carrying a valid driving licence – Fines up to 1,000 THB
Tourists renting cars or motorbikes should ensure they carry the correct documentation at all times.
Reckless Driving Penalties
More serious offences can lead to significantly higher penalties and possible imprisonment.
Reckless driving offences may result in:
- Fines between 5,000 and 20,000 THB
- Imprisonment for up to 1 year
Dangerous driving is treated seriously under Thai law and may also affect insurance coverage and licence status.
Drink-Driving Laws in Thailand
Thailand has strict drink-driving regulations, with severe penalties for offenders.
The legal alcohol limit is:
- Over 50 mg per 100 ml of blood for most drivers
- Over 20 mg per 100 ml for drivers under 20 years old
Penalties for drink-driving may include:
- Imprisonment
- Large fines
- Driving licence suspension or revocation
Drink-Driving Penalties
First offence:
- Imprisonment for up to 1 year
- Fine between 5,000 and 20,000 THB
- Driving licence suspended for at least 6 months
Repeat offence within 2 years:
- Imprisonment for up to 2 years
- Fines between 50,000 and 100,000 THB
Refusing a breathalyser test is treated as a drink-driving offence under Thai law.
Important Advice for Tourists
If driving in Thailand, visitors should:
- Carry a valid driving licence or international permit
- Follow local traffic laws carefully
- Avoid using phones while driving
- Always wear helmets and seatbelts
- Never drink and drive
Road rules and enforcement may differ from other countries, so understanding local regulations is important for staying safe and avoiding penalties.
Thailand’s updated traffic enforcement measures are designed to improve road safety for both residents and visitors. By understanding the rules and driving responsibly, tourists can enjoy safer travel throughout the country.