[E48] 20th anniversary maintenance effect of Yamagata Expressway
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- Business guide
- Road construction business
- Maintenance effect after opening
- [E48] 20th anniversary maintenance effect of Yamagata Expressway
- Select from case studies
Since the Yamagata Expressway was fully opened in August 2001,
We celebrated the 20th anniversary in 3 years of Reiwa.
Here, we will introduce various maintenance effects.

- 20th anniversary of the opening of the entire Yamagata Expressway Maintenance effect [Overall version] [PDF: 40.4MB]
- Ayumi 20 years after the opening of the Yamagata Expressway [PDF: 6.0MB]
- Traffic volume on the Yamagata Expressway [PDF: 2.4MB]
- Improved access by shortening time [PDF: 3.5MB]
- Supporting safe and secure passage [PDF: 2.4MB]
- Yamagata brand rice goes nationwide [PDF: 5.8MB]
- Supporting the eating habits of citizens [PDF: 2.3MB]
- Revitalization of regional exchange through tourism [PDF: 3.1MB]
- The nation's first ambulance exit route saves lives [PDF: 3.4MB]
- Improving the convenience of citizens' lives [PDF: 2.0MB]
- The taste of Yamagata goes to the dining table in Miyagi [PDF: 8.2MB]

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