Thailand vs Vietnam: Driving Rules Compared

Thailand permits drivers up to 0.05 g/L of alcohol, while Vietnam allows none at all, holding to a strict 0.0 limit. The two also drive on opposite sides of the road, Thailand on the left and Vietnam on the right. Learner drivers start earlier in Vietnam too, from age 16, two years ahead of Thailand’s minimum of 18.

Thailand vs Vietnam: Driving Rules Compared

Planning a trip between Thailand and Vietnam? Understanding the differences in driving regulations can save you from fines and make your journey safer. This comparison covers speed limits, tyre requirements, licence rules, and key traffic laws in both countries.

Speed Limits

Speed limits differ between Thailand and Vietnam. In Thailand, the default motorway speed limit is 120 km/h, while Vietnam sets it at 120 km/h. Urban and rural limits also vary, so always watch for posted signs.

Driving Side

Thailand drives on the left side of the road, while Vietnam drives on the right. This is a significant difference — if you are used to driving in one country, take extra care when switching to the other.

Alcohol Limits

The legal BAC limit in Thailand is 0.05%, compared to 0.00% (zero tolerance) in Vietnam. Penalties for drink-driving are severe in both countries and can include fines, licence suspension, and imprisonment.

Tyre Requirements

Both countries have specific tyre regulations. Check the comparison table below for details on winter tyre mandates, minimum tread depth, and studded tyre rules.

Documentation

Carry your driving licence, vehicle registration, and insurance documents at all times. An International Driving Permit may be required depending on your nationality and the duration of your stay.