| Opened | 1898 | Okayamashi - Tsuyamaguchi | Opened | 1923 | Tsuyamaguchi - Tsuyama |
| 1904 | Okayama - Okayamashi (0.5 km) | Tracks | Single track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Okayama | JR West: Sanyō Shinkansen, JR West: Sanyō Hon, JR West: Uno, Okaden: Higashiyama (Hon) [Okayama-ekimae] | 0.0 | Okayama-shi | Okayama |
| Map | Map | Hōkaiin | | 2.3 | Okayama-shi | |
| Map | Map | Kanagawa | | 19.7 | Okayama-shi | |
| Map | Map | Fukuwatari | | 30.3 | Okayama-shi | |
| Map | Map | Tsuyamaguchi | | 56.8 | Tsuyama-shi | |
| Map | Map | Tsuyama | JR West: Kishin | 58.7 | Tsuyama-shi |
| Type | Name | Origin - Major stops - Destination | Trains per day | Fastest train | Average speed |
|---|---|---|---|---|---|
| Rapid Kaisoku 快速 | Kotobuki ことぶき | Okayama - Tsuyama | 7 | 1h06 | 53 km/h |
| Local Futsū 普通 | Okayama - Tsuyama | 17 | 1h21 | 43 km/h | |
| Okayama - Fukuwatari | 1 | 52 min | 35 km/h | ||
| Okayama - Kanagawa | 1 | 34 min | 35 km/h | ||
| Okayama - Hōkaiin 2 trains originate in Sōja (Hakubi line) | 5 | 3 min | 46 km/h | ||
| Fukuwatari - Tsuyama | 1 | 47 min | 36 km/h |
