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Tokyo Metro and NTT Agree on Collaboration for “Co-Creation of Tokyo’s Attractiveness and Vitality”


Tokyo Metro Co., Ltd. (Head office: Taito-ku, Tokyo; President and CEO: Akiyoshi Yamamura; hereinafter “Tokyo Metro”) and Nippon Telephone and Telegraph Corporation (Head office: Chiyoda-ku, Tokyo; President and CEO: Jun Sawada; hereinafter “NTT”) have agreed to promote collaboration based on the following three themes.

Collaboration Themes

1. Enhancement of infrastructure safety and stability:Condition Based Maintenance (CBM)

2. Enhanced facilitation of mobility:Travel Demand Management (TDM)

3. Co-creation of Tokyo’s attractiveness and vitality:Mobility coordination


As part of its medium-term management plan, Tokyo Metro Plan 2021, Tokyo Metro is promoting “provision of peace of mind,” “realization of sustained growth,” and “co-creation of Tokyo’s attractiveness and vitality” by developing and introducing new technologies, such as more thorough monitoring of the condition of equipment for railway infrastructure maintenance, responding to transportation needs during next summer’s large-scale event, improving transportation services, and pursuing initiatives to realize new mobility services.

As stated in its medium-term management strategy, Your Value Partner 2025, the NTT Group is promoting its own digital transformation (DX) by utilizing digital technologies for the telecommunications infrastructure maintenance, supporting corporate digital marketing using mobile data and regional economic promotion and providing smart mobility using AI and IoT technologies, while providing support for the DX of its partner companies.

The two companies have decided to collaborate to further accelerate these initiatives, with the aims of enhancing Tokyo’s attractiveness and vitality through the joint development of new services, and creating together an enjoyable Tokyo that is easy to work and live in.

2.Nature of Collaboration

Sharing their respective assets, the two companies will promote the following three initiatives.

Tokyo Metro’s Assets

-Railway infrastructure maintenance technology & data

-Railway operation information

-Ticket gate entry and exit data

-Metro networks

NTT’s Asset

-Telecommunications infrastructure maintenance technology & data

-Mobile data

-corevo®* AI technology

-Mobility services



(1) Enhancement of infrastructure safety and stability – Condition Based Maintenance (CBM)

  • Combining the maintenance know-how and original technologies they have developed in their respective fields, the two companies will strive to create next-generation maintenance technologies with even greater value
  • Proof of Concept (PoC) regarding these technologies will be conducted through collaboration and their possibility will be verified

(2) Enhanced facilitation of mobility – Travel Demand Management (TDM)

  • Grasping users’ movement trends at stations and lines and verifying the increased precision of congestion forecasts
  • Expansion of the area of application of TDM, including provision of smooth transportation services during a large-scale event

(3) Co-creation of Tokyo’s attractiveness and vitality – Mobility coordination

  • Building a transportation network covering central Tokyo and providing a seamless movement experience
  • Proposing healthy morning pre-commuting styles and providing support for health management at companies on Metro lines
  • Disseminating information on attractive areas in Tokyo and supporting promotion of tours

In addition to the above fields, the two companies will explore possibilities for coordination in various fields of co-creation of Tokyo’s attractiveness and vitality with the aim of contributing to the development of Tokyo and the creation of models that can be deployed both in Japan and overseas.

  • *corevo® is a trademark of NTT. (


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