Thailand’s traffic laws have undergone significant updates in 2025, with stricter fines and penalties aimed at enhancing road safety. Whether you’re a local resident or a visitor, it’s crucial to stay informed about these changes to avoid unexpected fines and ensure a safe driving experience.
Key Changes in Thailand Traffic Law 2025
1. Helmet Law Enforcement
Previously, riders and passengers could be fined up to 500 THB for not wearing helmets. As of June 2025, this fine has increased to 2,000 THB per person. If both the rider and passenger are without helmets, the total fine can reach 4,000 THB. This change underscores the government’s commitment to reducing motorcycle-related fatalities.
2. Drunk Driving Penalties
The penalties for drunk driving have been intensified:
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First Offense: Fine ranging from 5,000 to 20,000 THB, up to one year in prison, or both.
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Repeat Offenses: Fine between 50,000 and 100,000 THB, up to two years in prison, or both.
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License Suspension: First-time offenders face a six-month license suspension.
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Vehicle Impoundment: Vehicles may be impounded for 30 days.
3. Mobile Phone Usage While Driving
To combat distracted driving:
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Using a mobile without a hands-free device: Fine of 2,000 THB and points deducted from the driver’s license.
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Video recording while driving: Fine of 5,000 THB and immediate license review.
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Social media livestreaming: Fine of 10,000 THB and potential 30-day license suspension.
4. Speeding and Traffic Signal Violations
Fines for speeding and disobeying traffic signals have been standardized:
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Speeding: Fines up to 5,000 THB.
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Running a red light: Fine of 1,000 THB.
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Failing to stop at a zebra crossing: Fine of 4,000 THB.
5. Pollution Control Measures
Vehicles emitting excessive black smoke are subject to:
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Fines: Up to 10,000 THB.
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Imprisonment: Up to six months.
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Rectification Order: Owners must fix the issue within 15 days.
Traffic Violation Fines at a Glance
| Offense | Fine (THB) | Additional Penalties |
|---|---|---|
| Helmet Violation | 2,000 per person | – |
| Drunk Driving (First Offense) | 5,000–20,000 | Up to 1 year in prison |
| Mobile Phone Use | 2,000–10,000 | License points deduction |
| Speeding | Up to 5,000 | – |
| Pollution Certificate Violation | 10,000 | Up to 6 months imprisonment |
Tips for Drivers in Thailand
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Always wear helmets for both rider and passenger.
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Use hands-free devices if phone use is necessary.
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Adhere to posted speed limits to avoid fines.
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Regularly service your vehicle to comply with emission standards.
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Stay updated on any further changes in traffic laws.
Frequently Asked Questions
1. What is the new fine for not wearing a helmet in Thailand?
As of June 2025, the fine for not wearing a helmet is 2,000 THB per person.
2. Are there penalties for using a mobile phone while driving?
Yes, fines range from 2,000 to 10,000 THB, depending on the nature of the offense.
3. What happens if I get caught speeding?
Speeding can result in fines up to 5,000 THB.
4. How can I avoid pollution-related fines?
Regularly maintain your vehicle to ensure it meets emission standards and avoid excessive black smoke.
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