Driving in Japan is a joy — smooth roads, stunning scenery, and incredibly considerate drivers. But Japanese road culture has its own set of rules and unwritten courtesies that will make your trip safer and more enjoyable.

Basic Traffic Rules

Drive on the Left

Japan drives on the left side of the road. The driver sits on the right side of the car. This takes some adjustment, especially at intersections and roundabouts. Take it slow for the first day.

Speed Limits

Speed cameras are common and fines are expensive. Japanese drivers generally follow speed limits closely.

Zero Tolerance for Alcohol

Japan has a strict zero-tolerance policy for drink driving. The legal limit is 0.03% BAC — effectively zero. Penalties are severe: heavy fines, license suspension, and even imprisonment.

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Driving Manners

Narrow Road Etiquette

Rural Japan is full of narrow mountain roads with no center line. When meeting an oncoming vehicle:

The Hazard Light "Thank You"

When someone lets you merge, gives you right of way, or is courteous in traffic, flash your hazard lights 2-3 times. It means "thank you." You'll see it everywhere — it's one of Japan's most charming driving customs.

Horn Usage

Honking is considered very rude in Japan. Horns are almost never used except in genuine emergencies.

Michi-no-Eki (Road Stations)

Michi-no-Eki are government-designated rest areas found throughout Japan — free parking, clean restrooms, local products, and sometimes hot springs.

The Overnight Parking Gray Zone

Michi-no-Eki are officially rest areas, not campgrounds. The official rule is that parking is for temporary rest when you're too tired to continue driving.

In practice, many campervan travelers do park overnight. This is tolerated but exists in a gray zone. To stay respectful:

For our complete guide: Where to Park & Rest During Your Japan Road Trip →

ETC (Electronic Toll Collection)

Expressways in Japan are toll roads. An ETC card makes payment automatic. All VanTripJapan rental campervans come with an ETC card pre-installed — just drive through the ETC lane.

Emergency Numbers

ServiceNumber
Police110
Fire / Ambulance119
Roadside Assistance (JAF)0570-00-8139
VanTripJapan 24/7 SupportIncluded with rental

Frequently Asked Questions

Can I sleep overnight at a Michi-no-Eki?

Officially, Michi-no-Eki are rest areas for tired drivers, not accommodation. However, sleeping in your vehicle as a rest stop is generally tolerated if you keep it discreet — no camp setup, turn off engine and lights, and leave in the morning. It's a gray zone, so be respectful.

Do I need an international driving permit for Japan?

Yes. Most visitors need an International Driving Permit (IDP) based on the 1949 Geneva Convention. Citizens of some countries (Switzerland, Germany, France, Belgium, Monaco, Taiwan) can use a Japanese translation instead. Your home license alone is not valid.

What side of the road does Japan drive on?

Japan drives on the left side of the road. The steering wheel is on the right side of the vehicle. Most visitors adapt within the first day.

Is honking rude in Japan?

Yes. Horns are almost never used in Japan except for genuine emergencies. Instead of honking, Japanese drivers use hazard light flashes as a "thank you" gesture and bows/waves to communicate courtesy.

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