| Country: | JPN |
| Hanshin Expressway Route 4 Bayshore Route 阪神高速4号湾岸線 | |
| Map Custom: | yes |
| Map Notes: | The Bayshore Route highlighted in red |
| Maint: | Hanshin Expressway Company, Limited |
| Length Km: | 32.7 |
| Established: | 1974 |
| Direction A: | North |
| Terminus A: | in Minato-ku, Osaka Ōsakakō Route |
| Direction B: | South |
| Terminus B: | in Izumisano |
The, signed as Route 4, is one of the routes of the Hanshin Expressway system serving the Keihanshin area. It is an intercity route that travels in a north to south direction from Osaka to Izumisano near Kansai International Airport. It has a total length of 32.7km (20.3miles).[1]