| Country: | JPN |
| Type: | Expressway |
| Route: | Hamada |
| Alternate Name: | 浜田自動車道 |
| Map Custom: | yes |
| Length Km: | 56.6 |
| Established: | 1989 |
| Terminus A: | Chiyoda Junction in Kitahiroshima, Hiroshima Chūgoku Expressway |
| Cities: | Ōnan |
| Terminus B: | Hamada Interchange in Hamada, Shimane |
The is a national expressway in the Chūgoku region of Japan. It is owned and operated by West Nippon Expressway Company.
The expressway is officially referred to as the Chūgoku-Ōdan Expressway Hiroshima Hamada Route. Together with the Chūgoku Expressway and Hiroshima Expressway, the expressway forms a link connecting the greater Hiroshima area with western Shimane Prefecture.
The first section of the expressway was opened to traffic in 1989 and the entire route was completed in 1991. The entire route is 2 lanes with the exception of the short (1.3 km) section between Hamada Junction and Hamada Interchange.
| No. | Name | Connections | Dist. from Origin | Bus Stop | Notes | Location | |
|---|---|---|---|---|---|---|---|
| (25) | Chiyoda JCT | Chūgoku Expressway | 0.0 | Kitahiroshima | Hiroshima | ||
| BS | Chiyoda-nishi BS | 2.1 | ○ | ||||
| style="background-color:#BFB;" | - | Kurasako Chain Base | 4.8 | ||||
| 1 | Ōasa IC | National Route 261 Hiroshima Prefectural Route 5 | 12.6 | ○ | |||
| PA | Kanbikizan PA | 16.5 | |||||
| style="background-color:#BFB;" | - | Ōtsuka Chain Base | 18.7 | ||||
| TN | Inokoyama Tunnel | Length - 2595m (8,514feet) | |||||
| Ōnan | Shimane | ||||||
| style="background-color:#BFB;" | - | Ichiki Chain Base | 22.3 | adjacent to Inokoyama Tunnel | |||
| 2 | Mizuho IC | Shimane Prefectural Route 5 Shimane Prefectural Route 50 | 24.2 | ○ | |||
| style="background-color:#BFB;" | - | Chain Base | only accessible to Chiyoda JCT-bound traffic | Hamada | |||
| BS | Shigetomi BS | 34.9 | ○ | ||||
| style="background-color:#BFB;" | - | Asahi Chain Base | 36.0 | ||||
| 3 | Asahi IC | Shimane Prefectural Route 52 Shimane Prefectural Route 329 | 39.2 | ○ | |||
| 3-1 | Kanagi PA/SIC | 47.0 | ○ | ||||
| 3-2 | Hamada JCT | San'in Expressway | 55.3 | ||||
| TB | Hamada TB | 56.0 | |||||
| 4 | Hamada IC | (Hamada Bypass) | 56.6 | ||||