The experienceWhat is SmartEX Shinkansen seats?
An official online reservation service for the Tokaido, Sanyo and Kyushu Shinkansen corridor. Users select and pay in the service, then use the confirmed booking according to the chosen ticket/IC method.
For eligible one-year requests, seats are held for the requested passenger count but the operating plan and seat assignment remain provisional until the published confirmation stage.
01Early request stage
Eligible travel can be requested from the official one-year opening, subject to product and inventory limits.
02Later confirmation
Final train number, times and seat are sent around the one-month stage described by SmartEX.
03Product exclusions
Early discounts, S Work and special-access seats may follow other conditions.