| Name |
Major stations |
Length (km) |
Comments |
| Shinkansen lines |
| JR West |
| Sanyo Shinkansen | [Aioi] - Okayama - Shin-Kurashiki - [Fukuyama] | 87.9 |
|
| JR railway lines |
| JR |
| Seto-Ōhashi Virtual line | Okayama - Chayamachi - Kojima - Utazu | 16.5 |
|
| JR Shikoku |
| Honshi-Bisan | Kojima - [Utazu] | 3.6 |
|
| JR West |
| Ako | [Banshū-Akō] - Bizen-Katakami - Higashi-Okayama - Okayama | 39.7 |
|
| Geibi | Niimi - Bitchū-Kōjiro - [Tōjō] | 15.6 |
|
| Hakubi | Kurashiki - Kiyone - Sōja - Niimi - Bitchū-Kōjiro - [Hōki-Daisen] | 85.4 |
|
| Honshi-Bisan | Chayamachi - Kojima | 12.9 |
|
| Inbi | [Chizu] - Higashi-Tsuyama - Tsuyama | 27.2 |
|
| Kibi | Okayama - Sōja | 20.4 |
|
| Kishin | [Kōzuki] - Higashi-Tsuyama - Tsuyama - Niimi | 103.9 |
|
| Sanyo hon (Kobe - Hiroshima) | [Kamigōri] - Higashi-Okayama - Okayama - Kurashiki - Shin-Kurashiki - [Fukuyama] | 92.4 |
|
| Tsuyama | Okayama - Tsuyama | 58.7 |
|
| Uno | Okayama - Chayamachi - Uno | 32.8 |
|
| Non JR railway lines |
| Chizu |
| Chizu | [Sayo] - Ōhara - [Chizu] | 14.4 |
|
| Ibara |
| Ibara | Sōja - Kiyone - [Kannabe] | 31.8 |
|
| Mizushima Rinkai |
| Mizushima Hon | Kurashiki-shi - Mitsubishi-jikō-mae | 10.4 |
|
| Tramway lines |
| Okayama |
| Higashiyama [Hon] | Okayama-ekimae - Higashiyama・Okaden-myūjiamu Higashiyama・Okaden Museum | 3.0 |
|
| Seikibashi | Okayama-ekimae - Yanagawa - Seikibashi | 1.6 |
|
