Bulgaria vs United States: Driving Rules Compared

Bulgaria posts the highest motorway limit in this comparison, 140 km/h, well above the 104 km/h ceiling in the United States. It also charges drivers an annual e-vignette starting at EUR 64.5 for vehicles up to 3.5 tonnes, a cost the US road network does not have at all. Alcohol limits differ too, 0.05 in Bulgaria against 0.08 in the US.

Both Bulgaria and the United States drive on the right side of the road, which makes transitioning between them straightforward for drivers.

💡 Try it yourself: Speeding Fine Calculator 2026 — it covers United States (not yet Bulgaria), free.

Speed Limits Comparison

Speed limits are one of the first things drivers notice when crossing borders. Bulgaria and the United States take notably different approaches.

In Bulgaria, the standard speed limits are 50 km/h in urban areas, 90 km/h on rural roads, and 140 km/h on motorways.

Drivers in United States should observe limits of 40 km/h in built-up areas, 88 km/h on rural roads, and 104 km/h (Speed limits vary by state; typical: 25-35 mph urban, 55 mph rural, 65-75 mph highway) on motorway stretches.

Key Speed Limit Differences

Drivers transitioning between Bulgaria and the United States should pay close attention to posted signs, as assumptions based on one country’s rules can lead to speeding tickets in the other. Speed cameras are common in both countries, and enforcement can be strict.

Traffic Rules and Regulations

Beyond speed limits, Bulgaria and the United States have several important differences in their general traffic rules.

Driving side: Bulgaria drives on the right; United States drives on the right. Since both countries use the same driving side, the transition is seamless in this regard.

Minimum driving age: The minimum age to drive a car is 18 in Bulgaria and 16 in the United States.

Mobile phone use: Using a handheld mobile phone while driving is illegal in both countries. In Bulgaria, the penalty is EUR 25.56-102.26. In the United States, the penalty is USD 50-500 depending on state (approx. EUR 45-450); not banned in all states. Hands-free devices are generally permitted in both countries, but drivers should keep their attention on the road.

Seatbelts: Seatbelts are mandatory for all occupants in both Bulgaria and the United States. The fine for not wearing a seatbelt is EUR 25.56 in Bulgaria and USD 25-200 depending on state (approx. EUR 23-180) in the United States.

Running a red light: Red-light violations carry serious penalties. In Bulgaria, expect EUR 51.13-153.39 + 8 penalty points. In the United States, the penalty is USD 100-500 depending on state (approx. EUR 90-450).

Alcohol and DUI Laws

Understanding each country’s approach to drink-driving is critical, as enforcement and penalties vary considerably.

Bulgaria sets its blood alcohol concentration (BAC) limit at 0.05%.

United States has a BAC limit of 0.08%.

Bulgaria has a stricter limit, so drivers accustomed to the United States’s rules should exercise extra caution.

Penalties for exceeding the BAC limit in both Bulgaria and the United States can include heavy fines, licence suspension, and even imprisonment. Novice drivers face even stricter thresholds in many countries. The safest policy is to not drink at all when you plan to drive.

Tyre and Equipment Requirements

Before driving in Bulgaria or United States, check that your vehicle carries all the legally required equipment. Requirements differ between the two countries.

Winter Tyres

• Bulgaria: Winter tyres are situational. Period: 15 Nov - 1 Mar (or when roads are snowy/icy). Studded tyres: prohibited. Minimum tread depth: 1.6 mm.
• United States: Winter tyres are situational. Period: State-dependent (e.g. chain laws in CO, CA mountain passes). Studded tyres: restricted. Minimum tread depth: 1.6 mm.

Mandatory Equipment

If renting a vehicle, verify with the agency that it includes mandatory equipment for both Bulgaria and the United States, especially if you plan to cross the border.

Speeding Penalties

The financial consequences of speeding vary between Bulgaria and the United States.

In Bulgaria, a minor speeding offence (approximately 10 km/h over the limit) typically results in: EUR 25.56. Penalties escalate significantly for higher speeds, and repeat offenders face licence suspension.

In United States, a minor speeding offence (approximately 10 km/h over the limit) typically results in: USD 50-200 depending on state (approx. EUR 45-180). Penalties escalate significantly for higher speeds, and repeat offenders face licence suspension.

Both countries use a combination of fixed speed cameras, mobile speed traps, and in some cases average speed (section control) cameras.

Licence Requirements for Visitors

International visitors planning to drive in either country should understand the licence requirements.

Bulgaria: An EU/EEA driving licence is valid. An IDP is recommended for non-EU licence holders. Visitors can typically drive for up to 12 months on a foreign licence EU/EEA licences valid. Non-EU visitors should carry IDP.

United States: An EU/EEA driving licence is valid. An IDP is recommended for non-EU licence holders. Visitors can typically drive for up to 3 months on a foreign licence Requirements vary by state. Most states accept foreign licence with IDP for up to 3 months. Some states require IDP.

Always carry your licence (and IDP if applicable) while driving, as police may request to see it during routine checks or traffic stops.

Emergency Numbers

Save these emergency numbers before travelling to Bulgaria or United States:

Save these numbers in your phone before travelling. In an emergency, quick access to the correct number is crucial.

Practical Tips for Driving in Both Countries

If you are planning to drive in both Bulgaria and the United States, here are some practical tips to keep in mind:

1. Research before you go. Familiarise yourself with the specific rules of each country before your trip. Print or save a summary of key rules for quick reference.

2. Understand toll systems. Research whether you need a vignette, transponder, or cash for tolls in each country.

3. Be aware of environmental zones. Many cities have low-emission zones that restrict older vehicles. Check if you need an environmental sticker for either country.

4. Respect local driving culture. Overtaking norms, horn usage, and right-of-way conventions differ. Observe local drivers and adapt accordingly.

5. Watch for different road signs. While European countries share many sign conventions, there are country-specific signs you should recognise. Review a local driving guide before your trip.

6. Carry the right documents. Ensure you have your driving licence, IDP (if needed), vehicle registration, and insurance documents. Some countries require you to carry these at all times.

7. Learn key phrases. If you do not speak the local language, learn basic driving-related phrases. In an emergency, being able to communicate with police or paramedics can be invaluable.

8. Use a GPS or navigation app. Modern navigation apps often include speed limit warnings, toll information, and real-time traffic updates that can help you comply with local rules.

Which Country Is Easier for Tourists to Drive In?

Tourist-friendliness of driving varies between Bulgaria and the United States based on several factors.

Based on tourist ratings, Bulgaria scores 3.3/5 (Moderate). Improving infrastructure, vignette needed, rural roads rough

United States is rated 2.0/5 (Easy) by tourists. Wide roads, automatic cars, right-hand driving, state laws vary

Since both Bulgaria and the United States drive on the right, the transition between the two is smooth for most drivers.

Frequently Asked Questions

Can I drive in the United States with a Bulgaria driving licence?

Yes, EU/EEA driving licences are fully valid in both countries without additional documentation.

What is the speed limit on motorways in Bulgaria compared to the United States?

The motorway speed limit in Bulgaria is 140 km/h, while in the United States it is 104 km/h (Speed limits vary by state; typical: 25-35 mph urban, 55 mph rural, 65-75 mph highway). Always watch for posted signs, as limits may vary on specific sections due to roadworks, weather, or local restrictions.

Are winter tyres mandatory in Bulgaria or United States?

In Bulgaria, winter tyres are situational (15 Nov - 1 Mar (or when roads are snowy/icy)). In the United States, they are situational (State-dependent (e.g. chain laws in CO, CA mountain passes)). If you are travelling during winter months, it is advisable to use winter tyres regardless of legal requirements for safety.

Which country has stricter drink-driving laws?

Bulgaria has a stricter BAC limit (0.05%) compared to the United States (0.08%). Lower limits mean less alcohol is tolerated before driving becomes illegal.

What side of the road do they drive on in Bulgaria and the United States?

Bulgaria drives on the right side and the United States drives on the right side of the road.

Can I use my car insurance from Bulgaria in the United States?

International motor insurance coverage varies by provider and policy. Contact your insurer before travelling to confirm coverage in both Bulgaria and the United States. You may need to purchase additional local insurance.

What emergency number should I call while driving in Bulgaria or United States?

In Bulgaria, the general emergency number is 112 (police: 112, ambulance: 112). In the United States, call 911 (police: 911, ambulance: 911). Save both numbers in your phone before you travel.

Bulgaria adopted the euro on 1 January 2026. Figures previously published in leva were converted at the fixed statutory rate of 1.95583 leva to the euro.00 to the euro.