| Opened | 1913 - 1923 | |
| Tracks | Single track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture |
| Map | Shin-Yamaguchi | JR West: Sanyō Shinkansen, JR West: Sanyō Hon, JR West: Ube | 0.0 | Yamaguchi-shi | Yamaguchi |
| Map | Yamaguchi | | 12.7 | Yamaguchi-shi | |
| Map | Miyano | | 15.5 | Yamaguchi-shi | |
| Map | Tsuwano | | 62.9 | Tsuwano-chō | Shimane |
| Map | Masuda | JR West: Sanin Hon | 93.9 | Masuda-shi |
| Type | Name | Origin - Major stops - Destination | Frequency | Fastest train | Average speed |
|---|---|---|---|---|---|
| LEX | Super Oki | Shin-Yamaguchi - Masuda - Sanin line - Yonago | 2/day | 4h13 | 68 km/h |
| Shin-Yamaguchi - Masuda - Sanin line - Yonago - Tottori | 1/day | 5h20 | 71 km/h | ||
| Rapid | Yamaguchi Liner | Shin-Yamaguchi - Masuda | 1/day | 2h19 | 41 km/h |
| Shin-Yamaguchi - Yamaguchi | 4/day | 14 min | 54 km/h | ||
| Shin-Yamaguchi - Yamaguchi | 2/day | 16 min | 48 km/h | ||
| Local | Shin-Yamaguchi - Masuda | 3/day | 2h31 | 37 km/h | |
| Shin-Yamaguchi - Tsuwano | 1/day | 1h41 | 37 km/h | ||
| Shin-Yamaguchi - Miyano | 12/day | 29 min | 32 km/h | ||
| Shin-Yamaguchi - Yamaguchi | 11/day | 22 min | 35 km/h | ||
| Yamaguchi - Masuda | 4/day | 1h54 | 43 km/h | ||
| Yamaguchi - Tsuwano | 1/day | 1h15 | 40 km/h | ||
| Yamaguchi - Miyano | 1/day | 6 min | 28 km/h | ||
| Tsuwano - Masuda | 1/day | 40 min | 47 km/h |