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Given the continued aging of Japan’s population, the establishment of a sustainable public transportation system has become a key issue for the revitalization of regional economies (improved convenience for people with impaired mobility, consideration for the environment in terms of alleviating congestion, improved distribution efficiency, etc.).

The NTT Group provides a wide variety of solutions, ranging from consultancy tailored to the actual needs of local government bodies through to system design, operation and management.

Representative case study

Provision of an on-demand transportation system for Tsukuba City that combines ease of use with convenience

Although development of the area along the Tsukuba express railway is progressing rapidly, areas at a distance from the rail track are interspersed with agricultural land. Given this, helping people whose mobility has been impaired through isolation or aging has become a major challenge. In order to solve this problem in Tsukuba City, we designed an urban intermodal transportation system that combines arterial services (community buses) with branch services (on-demand transport) with the aim of providing an efficient service that meets both local demand and objectives.

A convenient transportation system that utilizes advantages of buses and taxis

The Tsuku-Taku on-demand transportation service was started as a branch of the urban intermodal transportation network. It provides a new means of transportation that combines the convenience of a taxi with the low fares of a bus.


Reservations made
Passengers can make reservations for a required pickup time, pickup point and destination from home or while out and about.


Reservations accepted and car dispatched
Tsuku-Taku formulates the optimal car assignment plan based on the reservations coming in and the cars that are available and instructs the relevant cars to pick up the passengers.


Pickups made in order based on the dispatch instructions
Efficient pickups using car-sharing
Facilitates the provision of low-cost transportation.

Reduced financial burden through greater efficiency and high utilization rates

After receiving a phone call from a user of the service, the operator uses ICT (e.g., map information systems and on-board systems) to arrange for a car and decide the optimal route before promptly informing the driver in transit of the required pickup point and time. Leveraging ICT allows for greater efficiency in managing the service and enables the service to be operated effortlessly at a minimal cost for both the service user and provider.

Further contributing to regional revitalization by encouraging people with impaired mobility, including the elderly, to get out more

Since the system’s introduction, there has been an increase in the number of users and the number of old people who are now going out more often. The NTT Group will continue with its efforts to improve convenience and reduce the environmental burden by raising awareness of its services, while also continuing to contribute to the revitalization of the local economy.