Keiyo Road 40th Anniversary-Role and maintenance effect played in the area
- Corporate Top
- Business guide
- Road construction business
- Maintenance effect after opening
- Keiyo Road 40th Anniversary-Role and maintenance effect played in the area
- 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] Improvement effects of the 10th anniversary of the opening of Sendai-Hokubu Road
- Development effects of the Sendai metropolitan area express ring network (“Guruto Sendai”) [PDF: 10.0MB]
- [E14] Futtsu-Tateyama Road (between Futtsu-Takeoka IC and Tomiura IC) 20th anniversary of opening
Keiyo Road celebrated its 40th anniversary in 2020 since the entire line was opened on October 1, 1980, with the opening between Hamanocho and the end point.
Here, we introduce various maintenance effects.
- Keiyo Road Maintenance Effect Collection [Overall Version] [PDF: 18.6MB]
- Changes in the network around Keiyo Road
- History of Keiyo Road and Chiba Prefecture [PDF: 3.6MB]
- Keiyo Road and traffic volume [PDF: 914KB]
- Supporting access to Narita International Airport [PDF: 916KB]
- Important roads that support logistics [PDF: 937KB]
- Supporting the distribution of agricultural products produced in Chiba Prefecture [PDF: 1.3MB]
- Keiyo Road that supports industry in Chiba Prefecture [PDF: 946KB]
- Supporting tourism and leisure transportation in the Greater Tokyo Area [PDF: 1.3MB]
- Leading the location of commercial facilities [PDF: 992KB]
- Keiyo Road which is indispensable for the lives of local residents [PDF: 775KB]
- Creating a safe and secure traffic environment [PDF: 874KB]
- To the more comfortable and convenient Keiyo Road [PDF: 1.1MB]
- Keiyo Road changes with the region [PDF: 1.4MB]
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