Japan on your own

Daily budget for a self-drive road trip in Japan: what a day on the road really costs

"How much does a day of road-tripping in Japan really cost?" Contrary to the country's lingering reputation as expensive — even out of reach for a self-drive trip — the weak yen makes the essentials surprisingly affordable once you know where the money goes: neither fuel (around €0.90/L in mid-2026) nor konbini meals (€10-15 per person per day) really weigh on the total. The real swing comes from three items that vary two- or threefold depending on your choices — the rental car, expressway tolls, and where you sleep — for a total ranging from roughly €125 to over €225 a day for two travelers. Here is, cost by cost, what a day really costs between business hotels, free michi-no-eki stops and toll gates.

• Rent the ETC card with the vehicle and simulate your route on the expressway companies' official calculators: a regional Expressway Pass pays for itself fast on a loop that changes stops every day.
• Sleep at chain business hotels (Toyoko Inn, Super Hotel) rather than independent properties: prices are steadier there and often cheaper when booked through the chain's own app.
• Alternate konbini for lunch and a restaurant in the evening rather than two sit-down meals a day — the gap can run €15-20 per person per day.
• Travel just before or after the cherry blossom and autumn foliage peaks: smoother roads and hotels 30-40% cheaper, for scenery that's still stunning.
• If the itinerary fits (Hokkaido, the Japanese Alps), a pricier camper van rental pays itself back in free michi-no-eki nights within about ten days of travel.

Money in Japan: Cash, Bank Cards and ATMs for a Self-Drive Road Trip

Japan has a reputation as an ultra-connected country, all vending machines and touchscreens. Yet in 2026, only 58% of payments there are still cashless — well behind South Korea or Sweden, and a figure that hides a real gap between big cities, where cards work almost everywhere, and the countryside, where a small family restaurant, a roadside vegetable stand or a traditional inn will often only take banknotes. On a self-drive road trip, where you quickly leave Tokyo or Osaka behind for back roads and rural stops, that reality changes how you plan your budget. Here's how to split your spending between yen in your pocket, a bank card and ATMs, with no nasty surprise at the pump or in a car park.

Police Checks and Fines in Japan for Self-Drivers: Kōban, Zero-Tolerance Alcohol Laws and the JAF Translation Trap

Driving in Japan beyond the Shinkansen means sooner or later crossing paths with the traffic police — often at a kōban, those small neighbourhood police boxes found everywhere, right down to country roads in Hokkaido or the Japanese Alps. Japan remains one of the safest and most courteous countries in the world for a foreign driver in a rental car, but three specifics change things for a visitor: a document to present that isn't the standard International Driving Permit, a zero-tolerance alcohol policy that extends to passengers, and a legal duty to report every accident, even a minor scrape, or risk a hit-and-run charge.

SIM Cards and Internet in Japan: Staying Connected When You Can't Read a Word of Japanese on the Road

Past the main highways, Japan's directional signs switch to kanji, the rental car's built-in navigation system displays its menus in the same language, and the smallest detour through the Alps or Hokkaido has to be negotiated without a word of English nearby. In Japan more than anywhere else, a mobile connection isn't a luxury for the digitally attached traveller — it's the tool that lets you read the road itself, from Kamikochi to the most remote michi-no-eki. Yet the country combines two realities that often surprise French travellers: one of the densest networks on earth, and a telecoms bureaucracy that in practice keeps tourists from simply buying a SIM card with a phone number. Here's how to get set up before you go, and where the signal actually disappears.

• Check what your French plan actually covers in Japan (data included, cap, duration) before relying on it for the whole trip.
• Activate an eSIM before departure (Airalo, Sakura Mobile, Holafly) to secure the airport-to-rental-counter leg.
• For a group or family, compare the cost of a pocket wifi booked in advance: often better value than an eSIM per person.
• On the ground, a data-only SIM is easy to pick up at the airport or at Bic Camera — but without a number to call.
• Download offline maps before the Japanese Alps, eastern Hokkaido, or any route riddled with mountain tunnels.
• Mount your phone on a dashboard holder and favour voice guidance: holding a screen while driving is heavily penalised in Japan.

The Japanese Alps by Rental Car: Kamikochi, Tateyama-Kurobe and What You Can Actually Drive

The Japanese Alps hold a big surprise for drivers: their two most famous sites, the Kamikochi valley and the Tateyama-Kurobe Alpine Route, are closed to private cars. Should you give up on the rental car altogether? Absolutely not: the Kiso valley, Takayama, Shirakawa-go, the Venus Line and the Shibu Pass at 2,172 metres are all wonderful drives. We have untangled what you can drive, what you reach by shuttle, and how to stitch the two into one coherent itinerary. Here is our complete manual for the Japanese Alps behind the wheel.

• JAF translation of a French licence: mandatory, to be obtained before renting (the Geneva IDP is not enough).
• Driving on the left: pay extra attention at junctions and when leaving car parks during the first few days.
• The rental company's ETC card: always take it for expressway tolls.
• Narrow mountain roads: slow down in the hairpins and use the convex mirrors.
• Navigation: enter phone numbers or "map codes" of sites into the sat nav — more reliable than names.
• Snow tyres are mandatory in winter in alpine regions: check the vehicle's equipment when booking.

Travel Insurance for Japan: Free Ambulance, Costly Hospital, and Tighter Re-Entry Rules in 2026

Japan has a reputation as an "easy", safe country for a road trip: immaculate roads, increasingly bilingual signage, near-zero crime. That reputation is exactly what leads some French travelers to overlook something that isn't trivial: contrary to popular belief, France has no social security agreement covering health care with Japan, and a sick or injured tourist pays their bill in full, long before any thought of repatriation. On an itinerary that mixes left-hand driving, mountain passes in the Japanese Alps and long stretches of toll highway, understanding what Japan's health system covers — and doesn't — and what changed in 2026 for travelers who leave without paying, matters just as much as choosing the right 4x4 or international driving permit.

• Aim for a medical expense cap of at least €200,000, ideally €500,000 to €1,500,000.
• Confirm repatriation is covered on an actual-cost basis, without a low cap.
• Make sure "driving a rental vehicle" isn't excluded from the policy.
• Always settle any hospital bill before leaving Japan: the re-entry-refusal threshold dropped to ¥10,000 in 2026.
• Don't expect anything from your French carte Vitale in Japan: it has no value there.
• Keep the 24/7 assistance number (paper and a phone photo) in the glovebox, next to the international driving permit.