Shinkansen Guide: Booking, Seats, Luggage & SmartEX
Japan’s Shinkansen network — punctual to the second.
Tokyo Transport Guide

Shinkansen Guide

Everything you need to know about Japan’s bullet trains — lines, train types, reserved vs unreserved seats, luggage rules, and how to book.

By Coverstories · Updated June 2026

Quick links

285 km/hTop speed (Tokaido)
2h15mTokyo to Shin-Osaka (Nozomi)
160 cmOversized luggage threshold

Japan’s bullet trains are more than just fast — they’re punctual to the second, spotlessly clean, and surprisingly easy to use. But booking as a tourist can feel confusing: reserved vs. unreserved? Nozomi vs. Hikari? SmartEX vs. ticket counter? Here’s everything you need to know.

Best for: Anyone taking an intercity trip beyond Tokyo — Kyoto, Osaka, Hiroshima, Kanazawa, Nagoya, and beyond.

Where each line goes

Shinkansen Lines at a Glance

LineOperatorKey RouteTop Speed
TokaidoJR CentralTokyo → Nagoya → Kyoto → Osaka (Shin-Osaka)285 km/h
SanyoJR WestShin-Osaka → Hiroshima → Hakata (Fukuoka)300 km/h
TohokuJR EastTokyo → Sendai → Morioka → Shin-Aomori320 km/h
HokurikuJR East / JR WestTokyo → Nagano → Kanazawa → Tsuruga260 km/h
JoetsuJR EastTokyo → Niigata275 km/h
HokkaidoJR HokkaidoShin-Aomori → Shin-Hakodate-Hokuto260 km/h
KyushuJR KyushuHakata → Kumamoto → Kagoshima-Chuo260 km/h

Nozomi, Hikari, Kodama

Train Types — Which One Should You Take?

TypeSpeedStopsJR Pass?Example
NozomiFastestFewest (major stations only)❌ NoTokyo→Shin-Osaka: 2h15m
HikariFastModerate✅ YesTokyo→Shin-Osaka: 2h40m
KodamaSlowerAll stations✅ YesTokyo→Shin-Osaka: 3h40m
MizuhoFastest (Sanyo/Kyushu)Fewest❌ NoShin-Osaka→Hakata: 2h15m
SakuraFast (Sanyo/Kyushu)Moderate✅ YesShin-Osaka→Hakata: 2h30m

Key takeaway: If you have a JR Pass, use Hikari or Sakura. The time difference vs. Nozomi is only 15–25 minutes.

Reserved is worth it

Reserved vs. Unreserved Seats

Reserved (指定席)Unreserved (自由席)
Seat guaranteeYes — your specific seatNo — first come, first served
Extra cost+¥530 on top of base fareIncluded in base fare
JR Pass holdersFree & unlimited reservationsAlso free
RecommendedPeak season, weekends, long routesOff-peak, short trips

Tip: JR Pass holders should always reserve — it’s free and guarantees a seat.

SmartEX, machine, counter

How to Book

Option 1: SmartEX App (Recommended for non-JR Pass)

  1. Download SmartEX app (iOS / Android)
  2. Register with passport info and credit card
  3. Book and pay in-app → receive QR code
  4. Tap QR at Shinkansen ticket gate (Tokaido/Sanyo lines only)

Option 2: Ticket Machines

  • Look for 指定席券売機 (Reserved Seat Ticket Machine) at JR stations
  • English interface available
  • Pay by credit card or cash

Option 3: JR Ticket Counter

  • Find みどりの窓口 (Midori no Madoguchi / Green Window)
  • Show your route request on paper or phone — staff handle the rest
  • JR Pass holders: reserve seats here or at ticket machines

Big bags need a reservation

Luggage Rules

Oversized Baggage Reservation Required Since May 2020, luggage exceeding 160 cm total (L+W+H) requires an oversized baggage seat reservation (特大荷物スペースつき座席). This is a reserved seat at the back of the car with a luggage space behind it. – Free to reserve in advance – ¥1,000 penalty if you board without reserving – Maximum size: 250 cm total – Standard suitcases (under 160 cm) can go in overhead racks — no reservation needed

Grab an ekiben, sit right

Practical Tips

Pro TipsMount Fuji view: Sit on the right side (window seat E) heading from Tokyo to Osaka, left side (window seat A) heading back – Food: Buy an ekiben (station bento) before boarding — it’s a Shinkansen tradition. Major stations have dedicated ekiben shops on the platform – Smoking: All Shinkansen are non-smoking. Some Tokaido Shinkansen have designated smoking rooms between cars – Wi-Fi: Free on Tokaido/Sanyo Shinkansen — connect to “Shinkansen Free Wi-Fi” – Outlets: Most seats have power outlets (varies by train age). Window seats and front-row seats are most reliable – Timing: Arrive at the platform 10 min early. Trains depart on the second — they will not wait

Common questions

FAQ

Do I need to print my ticket?

If you booked via SmartEX, you can use the QR code on your phone. If you booked at a machine or counter, you’ll have a paper ticket — keep it for the entire journey.

Can I change trains mid-route?

Yes, if your ticket covers the route. For example, a Tokyo→Shin-Osaka ticket lets you hop off at Kyoto and take a later train to Shin-Osaka. Reserved seat reservations are for a specific train, but the base ticket is valid all day.

What if I miss my train?

Unreserved ticket: Take any later train’s unreserved car – Reserved ticket: Your reservation is void, but you can ride unreserved cars on a later train the same day (same route) – SmartEX: Change your reservation in the app before departure

Is Green Car (first class) worth it?

Green Car offers wider seats (2+2 layout), more legroom, and quieter cabins. For a 2.5-hour Tokyo→Osaka ride, the extra ~¥5,000 is a nice luxury but not essential. Standard cars are already very comfortable.

Keep exploring

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