The 20th Anniversary of Joshinetsu Expressway-The Roles Played in the Community and the Improvement Effects
- Corporate Top
- Business guide
- Road construction business
- Maintenance effect after opening
- The 20th Anniversary of Joshinetsu Expressway-The Roles Played in the Community and the Improvement Effects
- Select from case studies
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- Maintenance effects after opening top
- Tohoku Expressway 30th anniversary-The role played in the region and the maintenance effect
- 20th anniversary of Ban-Etsu Expressway Roles played in the region and maintenance effects
- Hokuriku Expressway 30th Anniversary Special Page
- Tokyo Wan Aqua-Line Expressway 20th Anniversary-Roles played in the area and improvement effects
- 40th Anniversary of Chiba-Togane Road Roles played in the area and maintenance effects
- New Airport Road 40th Anniversary-Roles played in the region and maintenance effects
- The 20th Anniversary of Joshinetsu Expressway-The Roles Played in the Community and the Improvement Effects
- [E13] Tohoku-Chuo Automobile Road Nanyo High Hata IC ~ Metaphysical Upper IC Maintenance Effect [PDF: 36MB]
- Keiyo Road 40th Anniversary-Role and maintenance effect played in the area
- Kita Kanto Expressway 10th Anniversary-Role and maintenance effect played in the region
- [E5A] Maintenance effect of Shiribeshi Shiribeshi Expressway (between Yoichi IC and Otaru JCT) [PDF: 3.1MB]
- [E48] 20th anniversary maintenance effect of Yamagata Expressway
- Hokkaido Expressway 50th anniversary development effect [PDF: 4.5MB]
- [E38] Maintenance effect of the 10th anniversary of direct access to Doto Expressway [PDF: 3.9MB]
- [E7] [E46] Akita Expressway (between Kitakami JCT and Noshiro Minami IC) 20th Anniversary Development Effect
- [E19] Nagano Expressway (between Okaya JCT and Koshoku JCT) 30th anniversary of the opening of the entire line Development effect
- Tokyo Outer Ring Road (Chiba Section) Development Effects Five Years After Opening
- 【E6】仙台北部道路 全線開通10周年整備効果
- 仙台都市圏高速環状ネットワーク（『ぐるっ都・仙台』）の整備効果【PDF：10.0MB】
Joshin-Etsu Expressway celebrated its 20th anniversary at 2019 after the whole line was opened by the opening of Nakago IC to Joetsu JCT on October 30, 1999. Here, we will introduce various maintenance effects.
- Joetsu Expressway maintenance effect collection [whole version] [PDF: 6.33MB]
- History of Joshin-Etsu Expressway 20 years [PDF: 0.98MB]
- Changes in traffic volume after opening [PDF: 1.32MB]
- Supporting distribution of agricultural products produced in Gunma Prefecture [PDF: 1.14MB]
- Joshin-Etsu Expressway that supports the Nagano Factory [PDF: 1.21MB]
- Contribution to tourism recovery in Niigata Prefecture [PDF: 877KB]
- Joshinetsu Expressway creates liveliness [PDF: 988KB]
- Joshinetsu Expressway supports life in times of disaster [PDF: 609KB]
- Make all lines 4 lanes safer, safer and more comfortable [PDF: 1.12MB]
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