Japan Railway Construction, Transport and Technology Agency

E389804

government-affiliated organization independent administrative agency

The Japan Railway Construction, Transport and Technology Agency is a Japanese government-affiliated organization responsible for planning, financing, and developing railway and transport infrastructure projects, including high-speed rail lines.

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All labels observed (3)

Label	Occurrences
Japan Railway Construction, Transport and Technology Agency canonical	6
Japan Railway Construction, Transport and Technology Agency (JRTT)	1
鉄道建設・運輸施設整備支援機構	1

How this entity was disambiguated

This entity first appeared as the object of triple T3812546 — 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: Japan Railway Construction, Transport and Technology Agency
Context triple: [Kyushu Shinkansen, owner, Japan Railway Construction, Transport and Technology Agency]

A. Japanese National Railways
Japanese National Railways was Japan’s former state-owned railway company that operated the country’s nationwide rail network until its privatization and breakup in 1987.
B. Japanese Government Railways
Japanese Government Railways was the state-operated railway system of Japan that managed and expanded the country’s rail network before its postwar reorganization into Japanese National Railways.
C. East Japan Railway Company
East Japan Railway Company is a major Japanese railway operator that runs an extensive network of commuter and high-speed train services across eastern Honshu, including the Tokyo metropolitan area.
D. Japan Railways Group
Japan Railways Group is a major network of regional railway companies in Japan that emerged from the privatization of the former Japanese National Railways and operates much of the country’s passenger rail services, including high-speed Shinkansen lines.
E. Central Japan Railway Company
Central Japan Railway Company is a major Japanese railway operator best known for running the Tokaido Shinkansen high-speed rail line connecting Tokyo, Nagoya, and Osaka.
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: Japan Railway Construction, Transport and Technology Agency
Target entity description: The Japan Railway Construction, Transport and Technology Agency is a Japanese government-affiliated organization responsible for planning, financing, and developing railway and transport infrastructure projects, including high-speed rail lines.

A. Japanese National Railways
Japanese National Railways was Japan’s former state-owned railway company that operated the country’s nationwide rail network until its privatization and breakup in 1987.
B. Japanese Government Railways
Japanese Government Railways was the state-operated railway system of Japan that managed and expanded the country’s rail network before its postwar reorganization into Japanese National Railways.
C. East Japan Railway Company
East Japan Railway Company is a major Japanese railway operator that runs an extensive network of commuter and high-speed train services across eastern Honshu, including the Tokyo metropolitan area.
D. Japan Railways Group
Japan Railways Group is a major network of regional railway companies in Japan that emerged from the privatization of the former Japanese National Railways and operates much of the country’s passenger rail services, including high-speed Shinkansen lines.
E. Central Japan Railway Company
Central Japan Railway Company is a major Japanese railway operator best known for running the Tokaido Shinkansen high-speed rail line connecting Tokyo, Nagoya, and Osaka.
F. None of above. chosen

Statements (43)

Predicate	Object
instanceOf	government-affiliated organization ⓘ independent administrative agency ⓘ
activity	construction of Shinkansen lines ⓘ construction of conventional railway lines ⓘ support for urban rail projects ⓘ
country	Japan ⓘ
fieldOfWork	railway construction ⓘ transport facilities development ⓘ transport technology ⓘ
formedByMergerOf	Corporation for Advanced Transport and Technology ⓘ Japan Railway Construction Public Corporation ⓘ
hasJapaneseName	独立行政法人鉄道建設・運輸施設整備支援機構 ⓘ
headquarters	Yokohama, Kanagawa, Japan ⓘ
inception	2003 ⓘ
industry	railway infrastructure ⓘ transport infrastructure ⓘ
jurisdiction	Japan ⓘ
languageOfWorkOrName	Japanese ⓘ
legalForm	independent administrative institution ⓘ
locatedIn	Japan ⓘ Kanagawa Prefecture ⓘ Yokohama ⓘ
mandate	improvement of transport networks in Japan ⓘ promotion of advanced transport technologies ⓘ
nativeName	鉄道建設・運輸施設整備支援機構 ⓘ linked to: Japan Railway Construction, Transport and Technology Agency
owns	shares of Hokkaido Railway Company ⓘ shares of Kyushu Railway Company ⓘ shares of Shikoku Railway Company ⓘ
parentOrganization	Government of Japan ⓘ Ministry of Land, Infrastructure, Transport and Tourism ⓘ
purpose	developing railway infrastructure projects ⓘ financing railway infrastructure projects ⓘ planning railway infrastructure projects ⓘ supporting high-speed rail projects ⓘ supporting transport infrastructure development ⓘ
replaces	Corporation for Advanced Transport and Technology ⓘ Japan Railway Construction Public Corporation ⓘ
role	funding source for railway construction through share sales ⓘ management of government-held JR company shares ⓘ
sector	public sector ⓘ
shortName	JRTT ⓘ
supervisingAuthority	Ministry of Land, Infrastructure, Transport and Tourism ⓘ
website	https://www.jrtt.go.jp/ ⓘ

How these facts were elicited

Referenced by (8)

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

Kyushu Shinkansen → owner → Japan Railway Construction, Transport and Technology Agency ⓘ

Jōetsu Shinkansen → owner → Japan Railway Construction, Transport and Technology Agency ⓘ

Hokuriku Shinkansen → owner → Japan Railway Construction, Transport and Technology Agency ⓘ

JNR Settlement Corporation → successor → Japan Railway Construction, Transport and Technology Agency ⓘ

Hokkaido Shinkansen → owner → Japan Railway Construction, Transport and Technology Agency ⓘ

Japan Railway Construction, Transport and Technology Agency → nativeName → 鉄道建設・運輸施設整備支援機構 ⓘ

linked to: Japan Railway Construction, Transport and Technology Agency

Honshi-Bisan Line → owner → Japan Railway Construction, Transport and Technology Agency ⓘ

Tsurugi → ownerOfInfrastructure → Japan Railway Construction, Transport and Technology Agency (JRTT) ⓘ