| Opened | 1905 - 1924 | |
| Tracks | Single track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture |
| Map | Asa | JR West: Sanyō Shinkansen, JR West: Sanyō Hon | 0.0 | Sanyō-Onoda-shi | Yamaguchi |
| Map | Mine | | 19.4 | Mine-shi | |
| Map | Nagatoshi | JR West: Sanin Hon, JR West: Sanin Hon (Senzaki branch) | 46.0 | Nagato-shi |
| Type | Origin - Major stops - Destination | Frequency | Fastest train | Average speed |
|---|---|---|---|---|
| Local | Asa - Nagatoshi - Senzaki | 3/day | 1h12 | 40 km/h |
| Asa - Nagatoshi | 8/day | 1h04 | 43 km/h | |
| Mine - Nagatoshi - Senzaki | 1/day | 43 min | 30 km/h |
