2026 Japan Road Trip Guide: Routes, Rentals & Travel Insurance

● Before starting a Japan road trip, travelers should prepare the required documents, including a passport, valid Hong Kong driving license, International Driving Permit, and a credit card under the primary driver’s name. The IDP is valid for one year only, so its expiry date should be checked before departure.

● Japan is right-hand drive and follows left-side driving, similar to Hong Kong, but drivers should still pay close attention to local rules. Key points include staying in the left lane, giving way to pedestrians, stopping fully at “止まれ” signs, and yielding to oncoming traffic when turning right.

● During pick-up, travelers should inspect the car carefully, take photos or videos of any existing damage, check the contract and insurance details, and save the rental company’s emergency contact. If an accident, scratch, or flat tire occurs, they must call the police and contact the rental company immediately to ensure insurance coverage.

● Rental car insurance mainly protects the vehicle and liability, while travel insurance protects the traveler. Travel insurance can cover medical expenses, trip delays, lost belongings, and rental car deductibles, offering broader protection for a Japan road trip.

Planning a Japan road trip? Discover top Japan road trip ideas, scenic Japan road trip routes, and why getting travel insurance in Japan is essential for your journey. From securing your International Driving Permit and navigating ETC tolls to choosing the perfect vehicle for your group, our comprehensive guide ensures you hit the road with confidence and complete peace of mind.

Preparing the right documents is the first step for your Japan road trip. If you are missing any of these items, the rental company has the right to refuse service:

● Passport: Hong Kong Special Administrative Region (HKSAR) Passport (or BNO) to verify your identity.

● Driving License: Valid Hong Kong Driving License (Original). Even though you hold an international permit, the rental company still needs to verify your original physical license.

● International Driving Permit (IDP): Ensure the IDP is valid (valid for one year only) and must be presented alongside your Hong Kong driving license. Please double-check the expiry date before your departure.

● Credit Card: A valid credit card under the primary driver’s name. This is used to pay the rental balance, toll deposits, or pre-authorization holds.

Japan offers a wide variety of car models. When choosing, you should consider the number of passengers, luggage amount, and destination terrain:

● Kei Cars / Vans: Fuel-efficient, cheaper to rent, and easy to maneuver in narrow alleys. Ideal for 2 people with minimal luggage who are just traveling within the city.

● Compact Cars: Examples include the Toyota Yaris and Nissan Note. Suitable for 2 to 3 people, providing a more stable driving experience.

● Sedans: Perfect for business travelers or those who prioritize ride comfort. However, the trunk space is fixed, meaning oversized luggage might not fit.

● Leisure / SUVs: Ideal for heading into mountainous areas (like Nagano or Mount Aso) or snowy winter conditions. High ground clearance and 4WD (four-wheel drive) offer enhanced safety.

● Family Cars / Minivans: Examples include the Toyota Alphard or Noah. Suitable for groups of 5 or more, larger families, and those with heavy luggage.

Driving Rules in Japan

Just like in Hong Kong, Japan is right-hand drive, and you drive on the left side of the road. Basic rules include:

● Stay to the left: You must keep to the left lane at all times. The right lane is strictly for overtaking. Once you've passed another vehicle, make sure to merge back into the left lane immediately.

● Pedestrians always have the right of way: Japan takes pedestrian safety very seriously. Whenever you're turning (whether left or right), if someone is crossing the street, you must come to a complete stop and let them cross—even if their pedestrian light is red.

Common Traffic Signs and Road Markings

1. Lane Markings

● Broken white lines: It is safe and legal to change lanes.

● Solid yellow lines: Strictly no lane changing or overtaking.

2. Traffic Lights

● The basic red light rule: When the light is red, all vehicles must come to a complete stop, regardless of whether you are going straight, turning left, or turning right.

● The green arrow exception: If there is a green arrow lit up below or next to the main traffic light, you can ignore the main red light and proceed safely in the direction the arrow is pointing.

3. "止まれ" (Stop) Sign

When you see this sign, you must come to a "dead stop" right before the stop line. You need to physically turn your head to check both left and right for oncoming traffic before you start moving again.

4. "徐行" (Slow Down) Sign

This means you need to drastically reduce your speed, inch forward slowly, and stay highly alert to the road conditions around you.

5. Yielding When Turning Right on Green

In Japan, right-turning cars don't have the absolute right of way, even on a green light. When you're gearing up to turn right, you must pause and yield to oncoming traffic going straight or turning left. Wait until the oncoming lane is totally clear before safely making your turn.

Safe Driving Tips

● MapCode Navigation: Built-in GPS systems in Japanese rental cars usually let you search by MapCodes or phone numbers. Since typing Japanese locations on a screen can be a hassle, it's highly recommended to look up and save the MapCodes for all your stops before you hit the road.

● Winter Driving Precautions: If you're heading to Hokkaido or the Tohoku region in the winter, renting a car equipped with snow tires is mandatory. When driving on icy roads, leave a much larger following distance between you and the car ahead, and avoid slamming on the brakes.

Booking Process

● Search & Filter: You can use comparison platforms like Tabirai or ToCoo!. Set your pick-up and drop-off locations (e.g., pick up at the airport, drop off downtown), your dates, and times, then choose a car model that fits your needs.

● Add-on Services:

○ Insurance: We highly recommend opting for the Collision Damage Waiver (CDW) and full coverage for peace of mind.

○ ETC Card: Renting an ETC (Electronic Toll Collection) card lets you breeze through automated toll gates and settle the bill when you return the car, saving you the hassle of paying manually.

○ Equipment: Think about child seats (legally required in Japan for kids under 6) or snow tires if you're traveling in winter.

● Confirm Your Booking: Fill in the driver's details and complete the online prepayment.

Pickup Checklist

1. Inspecting the Car Inside and Out

● Exterior: Walk around the car and look closely for any scratches, dents, or other signs of damage.

● Exterior Details: Check the tires, the roof, and both side mirrors for obvious wear and tear.

● Interior & Equipment: Personally test the headlights, windshield wipers, and windows to make sure they work. Also, keep an eye out for noticeable stains or scratches inside, especially on the leather seats and inner door panels.

● Trunk: Pop the trunk to ensure there's a spare tire and a basic toolkit.

2. Documenting Condition and Checking the Contract

● Take Photos/Videos to Protect Yourself: If you spot any flaws, take a picture immediately and have the rental staff note it down. Just to be safe, it is highly recommended to record a quick video on your phone walking around the exterior and panning the interior, so you have solid proof when you return it.

● Review the Contract & Insurance: Carefully check the insurance and claim details on your contract. Note: If you plan on having a second driver share the wheel, you must declare this to the staff at pick-up and show their driving documents.

3. Car Operation and Pre-departure Prep

● Get Familiar with the Controls: Ask the staff to help switch the GPS voice navigation to English (or your preferred language). Before driving off, make sure you know exactly where the gas cap is, how to open it, how to start the engine, and how to engage the parking brake.

● Know Your Japanese Gas Colors: Gas pumps in Japan are color-coded. Double-check with the rental company which fuel your car needs:

○ Red: "Regular" (Unleaded)

○ Yellow: "High Octane" (Premium)

○ Green: "Diesel"

● Emergency Contact: Before you hit the road, absolutely make sure you have the rental company's emergency hotline saved and handy.

Return Guidelines

● Return with a Full Tank: It's standard policy to return the car with a full tank of gas. Refuel at the rental company's designated gas station or one nearby just before dropping it off, and keep the receipt as proof.

● Settle Up: Hand back the ETC card. The staff will read the data, and you will pay your accumulated highway tolls right there on the spot.

● Final Check: Do one last sweep of the car's exterior for any new damage, and double-check that you haven't left any personal belongings under the seats or in the trunk.

When choosing a rental company, compare three factors: proximity of locations to your transit hubs/routes, multi-language support (English/Traditional Chinese), and clear 24-hour pricing (including peak season fees). Here is a quick comparison:

If you get into any kind of accident during your trip—even if it's just a minor ding you caused yourself, a small scratch, or a flat tire—you must call the police and contact the rental company immediately. If you skip this step, your insurance will absolutely not cover the damage.

What to Do in Case of an Accident? 

1. Ensure Safety and Check for Injuries: First and foremost, make sure everyone is okay. If anyone is hurt, call for medical help and assist them immediately.

2. Move to a Safe Spot: As long as it won't block traffic or put you in danger, pull the car over to the side of the road to prevent a secondary accident or pile-up.

3. Call the Police Immediately: Report the incident to the local police and explain exactly what happened. Getting an official police report is a mandatory requirement for your insurance claim.

4. Contact the Rental Company: Call their customer service hotline for help (most major companies offer English or Chinese support lines) and follow their exact instructions.

5. Sort Out Your Ride: If the car is too damaged to drive safely, coordinate with the rental company to arrange a replacement vehicle so you can continue your trip.

6. Process Your Claim: Later on, head to the rental office to sort out the necessary paperwork based on the terms of your rental contract and insurance plan.

It’s a common misconception that once you buy rental car insurance, you don't need regular travel insurance. The reality is quite simple: rental car insurance protects the car, while travel insurance protects you. You really need both to work perfectly together to give you complete financial peace of mind if the unexpected happens.

Here’s a quick breakdown of how Japanese rental car insurance works and how it differs from standard travel insurance:

How Japanese Rental Car Insurance Works (Vehicle & Liability Coverage)

● Mandatory Basic Insurance: This is legally required and usually baked right into your base rental fee. It provides basic liability coverage for damages to third parties (like other cars, people, or property). However, keep in mind that this comes with a "deductible" (an out-of-pocket excess fee) and does not cover the damage to the car you actually rented.

● Collision Damage Waiver (CDW): This is an optional add-on. If you get into an accident, the CDW waives the deductible you’d normally have to pay under the mandatory basic insurance.

● Non-Operation Charge (NOC): Another optional cover. If the car gets damaged and needs to go to the shop for repairs, the NOC covers the rental company's lost business revenue for the days they can't rent that specific car out.

Why You Still Need Travel Insurance for a Road Trip

Rental car insurance can never fully replace a good travel insurance policy because it simply doesn't cover your personal safety. A solid travel insurance plan fills in some massive gaps:

● Steep Medical Bills: Healthcare in Japan isn't cheap. Travel insurance covers your medical expenses, hospital stays, or even accidental death during your entire trip—whether you're behind the wheel or just out exploring on foot.

● Trip and Belongings Protection: It compensates you for sudden travel hiccups, like lost luggage, stolen personal items, or severe trip delays.

● Covering Rental Deductibles: Many premium travel insurance plans tailored for road trippers actually include coverage for the excess or deductibles you might be charged by the rental company if you get into a scrape.

Bravo Travel Protector is a comprehensive travel insurance plan that offers no deductibles on all coverages. It provides 24-hour worldwide emergency assistance services and covers a wide range of scenarios, including medical expenses, food poisoning, acts of terror, accidental injuries (including those from various leisure sports such as skiing, scuba diving, and bungee jumping), common illnesses and infectious diseases, traffic accidents, and natural disasters such as earthquakes and tsunamis. The plan also protects your personal belongings, including electronic devices and sports equipment to provide a more comprehensive travel protection.

Additionally, Bravo Travel Protector offers optional enhanced protection, such as coverage for trip delays, overbooked transport, and unused admission tickets. Terms and Conditions apply. Download our product leaflet or visit our product website for more details or contact our insurance advisors for a free consultation.

Here are a few top picks for 2026:

Kyushu West Coast (Japan Road Trip Route)

● Target Audience: Beginner to Intermediate drivers.

● Highlights: Departing from Fukuoka, passing through Saga and Nagasaki. You will pass by Karatsu Castle, Huis Ten Bosch, and Kujukushima. The road conditions are stable, letting you enjoy stunning coastlines, fresh seafood, and hot spring towns.

Shikoku Island Loop (Japan Road Trip Route)

● Target Audience: Travelers seeking nature and "slow travel" experiences.

● Highlights: Shikoku's public transport is less convenient, making it perfect for driving. Enjoy Kagawa udon tours, Naruto whirlpools in Tokushima, and Dogo Onsen in Ehime.

Nagano and Karuizawa (Japan Road Trip Route)

● Target Audience: Families and those seeking outdoor activities or summer retreats.

● Highlights: Alpine scenery, Shirakawa-go (Gassho Village), and recommendations for campervan-friendly campsites. In 2026, many families will rent RVs to visit Nagano, which has well-equipped exclusive RV parks.

Q: Can I embark on a Japan road trip if I only hold a Hong Kong P-Plate?

A: No. According to the Hong Kong Transport Department's strict rules, you must hold a "Full Driving Licence" to apply for an International Driving Permit. Since a P-Plate is only a probationary license, you cannot obtain the legal documents required to drive in Japan.

Q: Is an ETC card necessary for my Japan road trip route?

A:Yes. An ETC card is not only convenient, but it also allows you to enjoy discounts during specific times (like late nights or holidays). Additionally, regional highway passes for tourists (like the Central Nippon Expressway Pass) must be used alongside an ETC card, which can drastically save you money on long-distance tolls.

This blog post is provided by the team at Assicurazioni Generali S.p.A - Hong Kong Branch and is for reference only. It does not represent the position of Assicurazioni Generali S.p.A - Hong Kong Branch. Assicurazioni Generali S.p.A - Hong Kong Branch assumes no responsibility for any loss or damage caused to any person due to the use or misuse of any information or content, or reliance on it. Any content related to Assicurazioni Generali S.p.A - Hong Kong Branch products in this blog post is for reference and educational purposes only. Customers should refer to the detailed terms and conditions on the relevant product webpage.  

Bravo Travel Protector is provided and underwritten by Assicurazioni Generali S.p.A - Hong Kong Branch. The above information does not contain the full terms and conditions of the policy. For details of the product features, terms and conditions, and exclusions, please refer to the relevant product webpage, promotional leaflet, product brochure, and policy wording.