- Drivers site
- Toll / road information
- Road overview
Road overview
Network diagram
Road length and structural standards
| Item | National Route 28 Kobe-Awaji-Naruto Expressway |
National Route 30 Seto-Chuo Expressway |
National Route 317 Nishi-Seto Expressway |
Total | |
|---|---|---|---|---|---|
| Length | 89.0km | 37.3km | 46.6km | 172.9km | |
| Structural Classification | Classification | Type 1 Class 2 | Type 1 Class 2 | Type 1 Class 3 | － |
| Design speed （km⁄h） |
100 | 100 | 80 | － | |
| Lane | 6 and 4 | 4 | 4 and 2 | － | |
| Long-span bridge (number) | 2 | 6 | 9 | 17 | |
| Year of opening | April 1998 | April 1988 | May 1999 | － | |
| Construction Cost | 1.47 trillion yen | 670 billion yen | 730 billion yen | 2.87 trillion yen | |
(Kobe-Awaji-Naruto Expressway)
(Seto-Chuo Expressway)
(Nishi-Seto Expressway)
