Comparing the 4 shuttle stations: Seya, Mitsukyo, Tokaichiba or Minami-machida?
GREEN×EXPO 2027 takes place on the former Kamiseya Communications Facility site (about 100 hectares), a wide stretch of land straddling Asahi and Seya wards in Yokohama. For all that space, no railway runs to the grounds — so for most visitors the basic route is “train to the nearest station, then a reservation-only shuttle.”
That shuttle runs from four stations: Seya, Mitsukyo, Tokaichiba and Minami-machida Grandberry Park. Which one you pick changes how many transfers you make from home and how easy the wait is on the day. This guide compares the four on a level footing, based on the official visitor transport plan (2nd edition, February 2026). For the full picture of getting there, see the access guide; for how busy each day is likely to be, see the crowd forecast.
What sets each of the four stations apart
Here is the quick view — line, position relative to the venue, and who each station suits.
| Station | Line | Position relative to the venue | Best for |
|---|---|---|---|
| Seya | Sotetsu Main Line | Close to the southern side | A direct Sotetsu run from Yokohama or Ebina |
| Mitsukyo | Sotetsu Main Line | Next stop to Seya; also from the south | Sotetsu riders dodging the crowds at Seya |
| Tokaichiba | JR Yokohama Line | From the northeast | Arrivals from Machida, Hachioji or Shin-Yokohama |
| Minami-machida Grandberry Park | Tokyu Den-en-toshi Line | From the west | Shibuya/Futako-tamagawa direction; an easy wait |
Now a closer look at each one.
Seya (Sotetsu Main Line) sits on the southern side of the venue. You can reach it from Yokohama Station on the Sotetsu Main Line without changing trains, and it is a single line from the Ebina and Yamato direction too. For anyone living along the Sotetsu network, it is the most natural gateway — and as a shuttle hub for the southern side of the grounds, it is likely to be one of the busier stations.
Mitsukyo (Sotetsu Main Line) is the next stop along from Seya. Same line, same approach from the south, so it functions much like Seya. The key point is that it can act as the relief valve when Seya looks crowded: splitting Sotetsu arrivals between the two stations eases the pressure on either one. It is worth deciding which to get off at based on the crowd information on the day.
Tokaichiba (JR Yokohama Line) lies to the northeast of the venue, on the JR Yokohama Line — a different network from Sotetsu. That makes it a strong option for arrivals from the Machida and Hachioji direction, or for anyone changing from the Shinkansen to the Yokohama Line at Shin-Yokohama. Because Sotetsu riders and JR riders end up at different stations, the crowd naturally spreads at the line level.
Minami-machida Grandberry Park (Tokyu Den-en-toshi Line) approaches from the west, on the Tokyu network. It is a single line from the Shibuya and Futako-tamagawa direction. Its standout feature is the large “Grandberry Park” shopping complex right by the station, so you can fill the shuttle wait with a meal or some shopping — handy if you arrive early before opening, or during busy periods when waits get longer. The specific boarding facilities and restaurant details on the station and venue side are still to be announced, so confirm the on-the-day layout with the latest information.
Which station suits where you’re coming from
Here is the “so which station should I actually use?” question, sorted by where you start. The basic rule is fewest transfers and shortest travel time.
- From Yokohama or Minato Mirai — Seya (Sotetsu Main Line) is the first pick, a single line to the southern side. If Seya looks crowded, shift to neighbouring Mitsukyo to spread the wait.
- From Ebina, Yamato or Shonandai — also on the Sotetsu network, so Seya or Mitsukyo are convenient; you can change toward Yokohama along the way on the Sotetsu Main or Izumino Line.
- From Shinjuku, Shibuya or Futako-tamagawa — take the Tokyu Den-en-toshi Line to Minami-machida Grandberry Park. Few transfers, and you can spend the wait at the complex.
- From Machida, Hachioji or Sagamihara — Tokaichiba on the JR Yokohama Line is the shortcut, approaching from the northeast without looping out toward Yokohama.
- Arriving by Shinkansen at Shin-Yokohama — the clear route is the JR Yokohama Line from Shin-Yokohama to Tokaichiba. On top of that, shuttle routes starting from Yokohama Station and Shin-Yokohama Station are under consideration to spread the load, so a direct option from Shin-Yokohama may yet appear (procedure to be announced).
- From Haneda, Narita or other airports — there is no direct service to Kamiseya, so head into central Yokohama first and then aim for one of the four stations above. See the access guide for details.
The principle, when in doubt, is simple: pick the station that lies on the line you are already using. Sotetsu means Seya or Mitsukyo, JR means Tokaichiba, Tokyu means Minami-machida — remember that mapping and you will rarely go far wrong.
Reservations and spreading the crowds
The single most important thing in any four-station comparison is that the shuttle bus is reservation only. It is not a case of “queue on the day and you will always get on” — it is designed around booking a seat in advance. The exact booking method and when reservations open are still to be announced, so always check the official access page for the latest steps before you set out.
According to the official plan, service scales up to roughly 90 buses a day on weekdays and around 160 a day at peak times. When the numbers swing that much, the busier the day, the more “which station you board at” and “what time you travel” shape your experience.
The trick to spreading the load is to think on two axes — station choice and date choice.
- Shift your station — if you are on Sotetsu, keep Mitsukyo in mind as well as Seya. Where you have a choice of line, splitting between Sotetsu (Seya, Mitsukyo), JR (Tokaichiba) and Tokyu (Minami-machida) naturally eases the concentration at any one station.
- Shift your date — the official daily visitor estimates show 80 days at the weekday level of around 50,000 people, against 79,000 on weekends and holidays and 105,000 at peak times such as Golden Week and the September weekends. The calmer windows tend to be weekdays — especially Tuesday to Thursday — along with the period right after opening and the early evening, and the rainy season. See the crowd forecast for more.
- Choose by how you spend the wait — if you plan to arrive early and wait, the shopping complex at Minami-machida Grandberry Park makes the time easy to fill and takes the edge off busy periods.
Note that the venue car parks and park-and-ride are all reservation only too, and a “date-and-time visit reservation” system is also expected to start. At Expo 2025 Osaka, Kansai, date-and-time booking became a central crowd-management tool; Yokohama may not work exactly the same way, so we will not state it as fact here. Reservation details tend to update quickly once they get moving, so it pays to make checking the latest version a habit.
For the full flow of getting there beyond the four-station shuttle — car parks, airport routes and more — see the access guide, and for choosing dates to avoid the crowds, see the crowd forecast. As one last step before the day, always confirm the shuttle’s booking procedure on the official access page.
This is an unofficial guide. Always confirm the final details of access, shuttles and reservations with official announcements.