The Chūō Shinkansen Maglev: Japan's 505 km/h Future Train

Japan's Chūō Shinkansen is one of the most anticipated rail projects in the world. A superconducting maglev line under active construction between Tokyo and Nagoya, it is designed to reach around 505 km/h in service — more than 50% faster than today's fastest Shinkansen. It is not yet open, and its timeline has shifted more than once. This guide gives you a clear, current picture of what the project is, where it stands, and what to realistically expect, without false certainty about opening dates or pass coverage that has not been set.

Special update: You can now buy single rail tickets for Japan’s Golden Route on JRPass.com - single fares, one-way, fully digital, including the bullet train.

Quick Answer — What Is the Chūō Shinkansen?

The Chūō Shinkansen maglev is a superconducting magnetic levitation line under construction between Shinagawa Station in Tokyo and Nagoya Station, operated by JR Central. It is designed for a maximum speed of around 505 km/h and aims to cover the roughly 286 km route in approximately 40 minutes. The line is not yet open to passengers. Its opening, originally targeted for 2027, is now widely reported for the mid-2030s at the earliest. Fares and pass coverage have not been set.

How Maglev Differs from the Shinkansen

The Chūō Shinkansen is not a faster version of the bullet train you can already ride. It is a fundamentally different technology. Today's Shinkansen uses conventional wheel-on-rail systems, and as covered in our complete guide to the Shinkansen, the fastest services top out at 320 km/h. Friction between wheel and rail is always a limiting factor.

The SCMaglev system works differently:

• At low speeds, the train rests on retractable wheels inside the guideway.
• Once it reaches approximately 150 km/h, superconducting magnets onboard interact with coils in the guideway walls, generating powerful repulsive and propulsive forces.
• The train lifts roughly 10 cm off the guideway and accelerates using electromagnetic propulsion alone — no wheels, no physical contact, no friction at speed.
• With friction removed, the main limit on speed becomes aerodynamics rather than mechanical contact.

That is how a train can be designed to cruise at around 505 km/h when the fastest conventional Shinkansen tops out at 320 km/h. The linear Chūō shinkansen runs on a fully dedicated guideway rather than shared track, which is one reason the project requires entirely new construction from scratch. JR Central provides further technical detail on the SCMaglev system on its official construction and technology pages.

The Numbers

The key figures for the Tokyo-Nagoya maglev in one place:

• Route: Shinagawa (Tokyo) to Nagoya, approximately 286 km
• Design speed: Around 505 km/h
• Target journey time: Roughly 40 minutes (vs. approximately 90 minutes on the Nozomi today)
• Tunnel proportion: Around 86–90% of the route runs underground
• Deepest point: The Southern Alps Tunnel, approximately 25 km long and 1,400 meters below the surface at its deepest
• Intermediate stations: Sagamihara (Kanagawa), Kōfu (Yamanashi), Iida (Nagano), and Nakatsugawa (Gifu)
• Phase two: A later extension toward Osaka, targeting a Tokyo–Osaka journey of around 67 minutes

The tunnel-heavy design gives the corridor strong earthquake resilience, since underground structures are far less affected by seismic surface motion than coastal lines. Reading about the different types of Shinkansen currently in operation helps put the maglev's leap in context.

Where Construction Stands

JR Central began construction in 2014, targeting a 2027 opening. That date was abandoned after a single 8.9 km section in Shizuoka Prefecture blocked progress for years, due to concerns about the tunnel's impact on the Oi River basin, which supplies drinking water to around 620,000 people.

Recent developments:

• In January 2026, Governor Yasutomo Suzuki and JR Central President Niwa signed a letter of agreement under which JR will compensate for any Oi River water flow reduction, regardless of proof of causation.
• In late March 2026, Shizuoka's expert committee approved all 28 environmental conservation measures submitted by JR Central, a development reported by The Japan Times as a major turning point for the project.
• The prefecture's vice governor said construction there could begin before the end of 2026.

Progress elsewhere: The Shinagawa station has been under construction since 2016, excavation at Sagamihara has reached around 30 meters deep, and tunnel work in Yamanashi, Gifu, and Nagoya is well advanced.

On costs: Two budget revisions, in 2021 and 2025, have pushed costs from an original ¥5.5 trillion to approximately ¥11 trillion (roughly $69 billion), as reported by Maglev.net. Because this remains an evolving story, checking current news before drawing firm conclusions about timing is advisable.

When Might It Open?

The honest answer is mid-2030s at the earliest, and it is not a fixed date. Originally targeted for 2027, the most widely cited current estimate is 2034 for the Tokyo–Nagoya service, conditional on Shizuoka construction proceeding without further delay. The Tokyo–Osaka extension has no firm timeline. For travelers planning a trip to Japan now, the Tokaido Shinkansen — the busy conventional line the maglev is designed to relieve — remains the only option for this corridor for the foreseeable future, with Hikari and Kodama services fully covered by the Japan Rail Pass.

Will the JR Pass Cover It?

The Japan Maglev train is operated by JR Central, but the line is not running, no fares have been published, and no pass rules have been set. JR Central once estimated maglev fares at roughly ¥700 more than the Tokaido Shinkansen equivalent, but this figure predates major cost revisions. Whether the JR Pass will cover it, require a supplement, or exclude it entirely is genuinely unknown. For current travel, understanding how the Japan Rail Pass works on existing lines, and whether a regional pass suits your itinerary better, is the more immediately useful question.

Why It Matters

According to Guinness World Records, Japan's SCMaglev L0 Series prototype reached 603 km/h on the Yamanashi Maglev Line on 21 April 2015 — the fastest any magnetically levitated train has ever traveled. Commercial service at around 505 km/h would put the Chūō Shinkansen maglev in a category of its own. 

Beyond speed, the project serves three strategic purposes: capacity relief for the Tokaido Shinkansen, which carries well over 450,000 passengers per day; earthquake route redundancy, since an inland underground corridor is far less vulnerable to seismic surface disruption than the Pacific coast Tokaido line; and economic integration that could functionally merge Tokyo, Nagoya, and Osaka into a single commutable zone. 

Until the maglev opens, Japan's existing rail network remains one of the best reasons to visit. Travelers flying in can hit the ground running with a Meet and Greet Service at the airport, then navigate stations and check live timetables on the go with a Japan Pocket WiFi rental. 

FAQs

Q: When will the Japan maglev open?
A: Originally targeted for 2027, the opening is now widely reported for the mid-2030s, with 2034 the most cited estimate, though no date is confirmed.

Q: How fast will the Chūō Shinkansen maglev be?
A: Designed for around 505 km/h in commercial service, far faster than today's fastest Shinkansen, which operates at up to 320 km/h.

Q: What is the Chūō Shinkansen maglev? A: It is a superconducting maglev line under construction between Shinagawa in Tokyo and Nagoya, operated by JR Central and designed for around 505 km/h.

Q: How does the maglev differ from the Shinkansen?
A: Unlike the Shinkansen, which uses wheels on rails, the maglev uses superconducting magnets to lift the train off the guideway above 150 km/h, eliminating friction entirely.

Q: Where will the maglev stop?
A: The first phase links Shinagawa and Nagoya with intermediate stations in Sagamihara, Kōfu, Iida, and Nakatsugawa, with a later Osaka extension planned.

Q: Is the maglev covered by the JR Pass?
A: No coverage rules have been set because the line is not yet running, so pass eligibility cannot be confirmed until JR Central publishes its ticketing structure.

Q: Can tourists ride the maglev today?
A: The line is not open to passengers, but the SCMaglev Railway Park in Nagoya offers a 500 km/h simulator experience for around ¥1,600.

Q: How much will maglev tickets cost?
A: No fares have been officially set, and JR Central's historical estimate of around ¥700 above the Tokaido Shinkansen fare predates major cost revisions.

Q: Why does so much of the route run through tunnels?
A: The line cuts directly through the Japanese Alps rather than following the coast, and the underground routing also makes it highly resistant to earthquake disruption.

Q: Will Shizuoka Prefecture have a maglev station?
A: The line passes through Shizuoka underground with no planned stop, which was a central point of contention in the long dispute over Oi River water resources.