Tohoku Expressway 30th anniversary-The role played in the region and the maintenance effect
- Corporate Top
- Business guide
- Road construction business
- Maintenance effect after opening
- Tohoku Expressway 30th anniversary-The role played in the region and the maintenance effect
- 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】
Tohoku Expressway celebrated its 30th anniversary in 2017 after the whole line was opened by the opening of the Kawaguchi JCT-Urawa TB on September 9, 1987. Here, we will introduce various maintenance effects.
- Collection of Tohoku Expressway maintenance effects [whole version] [PDF: 7.4MB]
- Changes in traffic volume after opening [PDF: 766KB]
- Supporting movement between cities [PDF: 505KB]
- Promoting exchanges between regions [PDF: 500KB]
- Promote the use of local airports [PDF: 605KB]
- Large transportation area [PDF: 464KB]
- Promotion of logistics between regions [PDF: 496KB]
- Tohoku ingredients to the dining table in the metropolitan area [PDF: 561KB]
- Bringing high-freshness and high-quality tuna to the Tokyo metropolitan area [PDF: 474KB]
- Eggs from Tohoku to the metropolitan area [PDF: 447KB]
- Supporting regional development [PDF: 1.0MB]
- Supporting the development of industrial parks in Tohoku [PDF: 626KB]
- Supporting the revitalization of the automobile industry in Tohoku [PDF: 593KB]
- Supporting improvement and efficiency of distribution services [PDF: 447KB]
- Supporting the revitalization of Tohoku's tourism industry [PDF: 751B]
- Supporting inbound tourism [PDF: 952KB]
- Improve access to medical institutions [PDF: 601KB]
- Supporting efficient medical system in Tohoku [PDF: 448KB]
- Supporting lifesaving and rescue after the Great East Japan Earthquake [PDF: 734KB]
- Contribute to environmental improvement [PDF: 396KB]
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