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Showing all 22 routes3 Essential Rules for Japan Train Travel in 2026
1. Avoiding Foreign Credit Card Errors
Official JR apps (like SmartEX) often reject overseas Visa/Mastercard/Amex cards due to strict 3D Secure rules, and station ticket offices have long lines. Booking via Klook lets you pay in your home currency with instant QR/voucher confirmation.
Book Shinkansen & Passes on Klook →2. The 160cm+ Oversized Luggage Rule
Suitcases with total dimensions (L+W+H) between 160cm and 250cm require a reserved seat with an oversized baggage area on the Shinkansen. Large station coin lockers fill up by 9:30 AM, so pre-booking storage near the station saves major stress.
Reserve Station Luggage Storage (Bounce) →3. Spotty Tunnel Wi-Fi & QR Tickets
Free Shinkansen Wi-Fi frequently disconnects inside mountain tunnels. Have a reliable Japan eSIM active before boarding so you never get stuck unable to load digital QR tickets or Google Maps platform transfers at the gate.
Get Unlimited Japan eSIM (Airalo) →