Expressway Technical Review Committee on long-term maintenance and renewal of assets
NEXCO EAST, NEXCO CENTRAL, NEXCO WEST Is Expressway Established “Technical Review Committee on Long-term Conservation and Renewal of Assets” (abbreviation: Long-term Conservation Review Committee), and deterioration over time Expressway We are investigating the necessary measures to manage our assets in the future in a healthy state and have customers use them with peace of mind.
委員名簿（敬称略）（2026年4月30日時点）
| Chairman Yozo Fujino |
Professor Emeritus, University of Tokyo |
|---|---|
| Committee Hideki Ota |
Chuo University Research and Development Organization Professor |
| Committee Toyoaki Miyagawa |
Professor Emeritus, Kyoto University |
| Committee Kazuo Nishimura |
Professor Emeritus, Tokyo Metropolitan University |
| Committee member Shoichi Akiba |
Professor, Faculty of Industrial Science and Technology, Nihon University |
| Committee Members Hiroyuki Tanaka |
Director General East Japan Expressway Co., Ltd. |
| committee member Sekiya Tomihiko |
Director General of Maintenance Strategy Headquarters Central Nippon Expressway Co., Ltd. |
| Committee Members Yoshihiro Nagata |
West Nippon Expressway Co., Ltd. Director General |
(observer)
Kenjiro Hirose, Director of Planning, Japan Expressway Holding and Debt Repayment Agency
Contents of proceedings
11th Committee Meeting (April 30, 2026)
10th Committee Meeting (April 11, 2025)
9th Committee Meeting (January 12, 2024)
*Discussed on January 12, 2024, and published based on the deliberation at the National Highway Subcommittee on January 16, 2024 (published on January 16, 2024)
Interim Report (January 30, 2023)
- Interim report
- Interim report (reference material)
- Document 2-2 Page 42
There is an error in the opening year of the Kan-Kan-Etsu Expressway Tsuchitaru district, which has been corrected. (Added on February 1, 2023)
(Incorrect) 1987 (Correct) 1985
8th Committee Meeting (January 30, 2023)
- Summary of the proceedings
- Committee materials
- On page 42, there is an error in the opening year of the Tsuchitaru area of the Kan-Etsu Expressway, which has been corrected. (Added on February 1, 2023)
(Incorrect) 1987 (Correct) 1985 - Summary of the proceedings
7th Committee (October 28, 2022)
The 6th Committee (March 3, 2022)
5th Committee (January 28, 2020)
Recommendation (January 22, 2014)
- Proposal
- Comment from the chairman on the proposal
- Joint comments by President NEXCO3 on making recommendations
- report
