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Former Kami-Seya Communication Facility

Last Updated October 8, 2024

The vast land of about 242 ha of the former Kami-Seya communication facility is valuable not only in Yokohama but also in the Tokyo metropolitan area, and we aim to create a new revitalization base in the suburbs through agricultural promotion and new urban land use.
In 2027, GREEN x EXPO2027 (2027 International Horticultural Expo) will be held in part of this event. We are examining future land use based on the land use basic plan formulated in March 2020 based on the opinions of landowners and residents of private land.
At the Seya Ward Office, we publish the Seya Ward/Kami-Seya Communication Facility News, which provides information on the former Kami-Seya Communication Facility so that we can grasp the opinions and requests of residents according to the status of the study.

Overview of Former Kami-Seya Communication Facility

Map of the former Kamiseya Communication Facility
Overview of Former Kamiseya Communication Facility

Date of requisition: March 15, 1951
Date of return: June 30, 2015
Location: [Seya Ward] Kitamachi, Seyacho, Nakayashiki 3-chome, [Asahi Ward] Kamikawaicho
Area: Land: About 242 ha

・Former Kami Seya Communication Facility is the site of a US military facility returned in June 2015.
・Since it has been used as a U.S. military facility for about 70 years after the war, free land use has been restricted for many years, and urbanization has been suppressed.
・It is close to the Tomei Expressway and the Hodogaya Bypass, and is a district with high traffic convenience over a wide area.

Seya Ward / Former Kamiseya Communications Facility News

We will tell inhabitants of a ward about information about former Kami Seya communication facility.

No. 10 (November 2022) (PDF: 1,770KB)

No. 9 (April 2022) (PDF: 1,711KB)

No. 8 (September 2021) (PDF: 1,337KB)

No. 7 (April 2021) (PDF: 2,628KB)

No. 6 (February 2020) (PDF: 616KB)

No. 5 (September 2019) (PDF: 929KB)

No. 4 (March 2019) (PDF: 3,420KB)

No. 3 (March 2018) (PDF: 1,472KB)

No. 2 (January 2017) (PDF: 2,128KB)

No. 1 (September 2016) (PDF: 1,941KB)

Questionnaire on the use of the site of the Kamiseya communication facility (conducted in 2014)

We report result of questionnaire that we carried out from October, 2014 to January, 2015.
Many responses (466) were received from a wide range of ages, and Taka Saga, who is interested in the use of the former site.
At the same time, 76% of respondents expressed their opinions freely, and requests for maintenance of various facilities and requests for maintenance of various facilities.
It was found that there were various opinions on the direction and how to proceed with the future use of the site.

Results of questionnaire use of former site of Kamiseya communication facility (PDF: 220KB)

Brochure with ankate (distribution ended) (PDF: 1,816KB)

Others

You can see the related page of the former Kami Seya Communication Facility at the link below.
■About holding of GREEN × EXPO 2027 (2027 International Horticultural Expo)　

　Homepage (outside site) of the 2027 International Horticultural Expo Association
　Homepage of GREEN x EXPO Promotion Section
■About land readjustment project and future land use
　Homepage of Kami Seya Maintenance Promotion Section
■(Tentative name) About Former Kamiseya Communication Facility Park
　Homepage of Kamiseya Park Planning Division
■About base measures of Yokohama-shi
　Homepage of Urban Development Bureau Base Countermeasures Section
　About approach of land use until March, 2018 and summary of other U.S. military bases in the city and approach of Motoichi are introduced.

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