| Opened | 1913 - 1923 |
| Tracks | Single track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Shin-Yamaguchi | JR West: Sanyō Shinkansen, JR West: Sanyō Hon, JR West: Ube | 0.0 | Yamaguchi-shi | Yamaguchi |
| Map | Map | Yamaguchi | | 12.7 | Yamaguchi-shi | |
| Map | Map | Miyano | | 15.5 | Yamaguchi-shi | |
| Map | Map | Tsuwano | | 62.9 | Tsuwano-chō | Shimane |
| Map | Map | Masuda | JR West: Sanin Hon | 93.9 | Masuda-shi |
| Type | Name | Origin - Major stops - Destination | Trains per day | Fastest train | Average speed |
|---|---|---|---|---|---|
| Limited Express Tokkyū 特急 | Super Oki スーパーおき | Shin-Yamaguchi - Masuda - Sanin line - Yonago - Tottori | 1 | 5h22 | 70 km/h |
| Shin-Yamaguchi - Masuda - Sanin line - Yonago | 2 | 4h12 | 68 km/h | ||
| Rapid Kaisoku 快速 | Tsūkin Liner ("Commuter Liner") 通勤ライナー | Shin-Yamaguchi - Yamaguchi - Local- Masuda | 1 | 2h15 | 42 km/h |
| Local Futsū 普通 | Shin-Yamaguchi - Masuda | 4 | 2h28 | 38 km/h | |
| Shin-Yamaguchi - Tsuwano | 1 | 1h41 | 37 km/h | ||
| Shin-Yamaguchi - Miyano | 10 | 29 min | 32 km/h | ||
| Shin-Yamaguchi - Yamaguchi | 14 | 22 min | 35 km/h | ||
| Yamaguchi - Masuda | 3 | 1h51 | 44 km/h | ||
| Yamaguchi - Tsuwano | 1 | 1h15 | 40 km/h | ||
| Yamaguchi - Miyano | 1 | 6 min | 28 km/h | ||
| Tsuwano - Masuda | 1 | 40 min | 47 km/h |