Chugoku Expressway Umagoshi Tunnel and other 6 tunnels
| Facility type | Road / Tunnel / Bridge |
|---|---|
| Location | Hiroshima,Japan |
| Client | West Nippon Expressway Company Limited |
| Design | West Nippon Expressway Engineering Chugoku Co., Ltd |
| Completion | January, 2023 |
| Facility type | Road / Tunnel / Bridge |
|---|---|
| Location | Hiroshima,Japan |
| Client | West Nippon Expressway Company Limited |
| Design | West Nippon Expressway Engineering Chugoku Co., Ltd |
| Completion | January, 2023 |