Chuo Shinkansen (maglev) planning and construction

E306035

high-speed rail project maglev railway project railway infrastructure project

Chuo Shinkansen (maglev) planning and construction is Japan’s next-generation high-speed magnetic levitation rail project intended to link Tokyo, Nagoya, and Osaka with ultra-fast, low-vibration train service largely via deep underground tunnels.

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All labels observed (4)

Label	Occurrences
Yamanashi Maglev Test Line	3
Chuo Shinkansen (maglev) planning and construction canonical	1
Chūō Shinkansen maglev project	1
SCMaglev	1

How this entity was disambiguated

This entity first appeared as the object of triple T2868501 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Chuo Shinkansen (maglev) planning and construction
Context triple: [Central Japan Railway Company, notableProject, Chuo Shinkansen (maglev) planning and construction]

A. Shanghai Maglev Train
The Shanghai Maglev Train is a high-speed magnetic levitation railway in Shanghai, China, renowned as one of the fastest commercial train services in the world.
B. JR West Shinkansen
JR West Shinkansen is the high-speed bullet train service operated by West Japan Railway Company, connecting major cities across western Japan.
C. Sanyo Shinkansen
Sanyo Shinkansen is a high-speed railway line in Japan that connects Osaka with western Honshu cities such as Hiroshima and Fukuoka as part of the Shinkansen network.
D. Tokaido Shinkansen
The Tokaido Shinkansen is Japan’s pioneering high-speed rail line connecting Tokyo with Osaka and other major cities, renowned for its speed, punctuality, and heavy passenger usage.
E. Shinkansen high-speed rail network
The Shinkansen high-speed rail network is Japan’s renowned bullet train system, known for its fast, frequent, and punctual intercity rail services connecting major cities across the country.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Chuo Shinkansen (maglev) planning and construction
Target entity description: Chuo Shinkansen (maglev) planning and construction is Japan’s next-generation high-speed magnetic levitation rail project intended to link Tokyo, Nagoya, and Osaka with ultra-fast, low-vibration train service largely via deep underground tunnels.

A. Shanghai Maglev Train
The Shanghai Maglev Train is a high-speed magnetic levitation railway in Shanghai, China, renowned as one of the fastest commercial train services in the world.
B. JR West Shinkansen
JR West Shinkansen is the high-speed bullet train service operated by West Japan Railway Company, connecting major cities across western Japan.
C. Sanyo Shinkansen
Sanyo Shinkansen is a high-speed railway line in Japan that connects Osaka with western Honshu cities such as Hiroshima and Fukuoka as part of the Shinkansen network.
D. Tokaido Shinkansen
The Tokaido Shinkansen is Japan’s pioneering high-speed rail line connecting Tokyo with Osaka and other major cities, renowned for its speed, punctuality, and heavy passenger usage.
E. Shinkansen high-speed rail network
The Shinkansen high-speed rail network is Japan’s renowned bullet train system, known for its fast, frequent, and punctual intercity rail services connecting major cities across the country.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	high-speed rail project ⓘ maglev railway project ⓘ railway infrastructure project ⓘ
alignment	Chuo corridor between Tokyo and Osaka ⓘ
constructionMethod	deep underground tunneling ⓘ mountain tunnel excavation ⓘ viaduct and elevated structures ⓘ
constructionStatus	under construction on Tokyo–Nagoya section ⓘ
country	Japan ⓘ
designGoal	high reliability independent of existing Tokaido Shinkansen line ⓘ high ride comfort with low vibration ⓘ reduced travel time between Tokyo and Nagoya ⓘ reduced travel time between Tokyo and Osaka ⓘ
engineeringChallenge	long-distance deep underground construction in urban areas ⓘ maintaining precise track alignment for maglev levitation ⓘ
environmentalChallenge	tunneling impacts on water resources in mountainous areas ⓘ
expectedBenefit	economic development along the Chuo corridor ⓘ increased transport capacity between Tokyo and Osaka corridor ⓘ relief of congestion on Tokaido Shinkansen ⓘ
fundingModel	primarily financed by JR Central ⓘ
notableStructureType	long base tunnels through mountain ranges ⓘ
operator	Central Japan Railway Company ⓘ JR Central ⓘ linked to: Central Japan Railway Company
plannedCommercialSpeed	around 500 km/h between Tokyo and Nagoya ⓘ
plannedFinalTerminus	Osaka Station vicinity ⓘ
plannedIntermediateTerminus	Nagoya Station vicinity ⓘ
plannedMaximumOperatingSpeed	about 500 km/h ⓘ
plannedSection	Nagoya–Osaka section ⓘ Tokyo–Nagoya section ⓘ
plannedServiceType	intercity high-speed passenger service ⓘ
plannedStartStation	Tokyo Station vicinity ⓘ
planningAuthority	Japanese national government ⓘ linked to: Government of Japan
planningIncludes	environmental impact assessments ⓘ geological surveys ⓘ route selection studies ⓘ urban station location planning ⓘ
primaryPurpose	link Tokyo Nagoya and Osaka with ultra-high-speed rail service ⓘ provide low-vibration train service ⓘ
projectType	multi-decade phased construction project ⓘ
regulatoryFramework	Japan railway business law and related regulations ⓘ
routeType	largely deep underground ⓘ tunnel-intensive alignment ⓘ
safetyConsideration	emergency evacuation facilities in tunnels ⓘ fire safety in long tunnels ⓘ seismic design for earthquakes ⓘ
technologyUsed	magnetic levitation ⓘ superconducting maglev ⓘ
testLineUsedForDevelopment	Yamanashi Maglev Test Line ⓘ linked to: Chuo Shinkansen (maglev) planning and construction
usesRollingStockType	L0 Series maglev trainsets ⓘ

How these facts were elicited

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

Central Japan Railway Company → notableProject → Chuo Shinkansen (maglev) planning and construction ⓘ

Chuo Shinkansen (maglev) planning and construction → testLineUsedForDevelopment → Yamanashi Maglev Test Line ⓘ