| Opened | 1945 | Shibukawa - Naganohara-Kusatsuguchi | Tracks | Single track | ||
| 1971 | Naganohara-Kusatsuguchi - Ōmae |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Shibukawa | JR East: Jōetsu | 0.0 | Shibukawa-shi | Gunma |
| Map | Map | Naganohara-Kusatsuguchi | | 42.3 | Naganohara-machi | |
| Map | Map | Manza Kazawaguchi | | 52.5 | Tsumagoi-mura | |
| Map | Map | Ōmae | | 55.6 | Tsumagoi-mura |
| Type | Name | Origin - Major stops - Destination | Frequency | Fastest train | Average speed |
|---|---|---|---|---|---|
| LEX | Kusatsu | Ueno - Takasaki - Shibukawa - Manza Kazawaguchi | 3/day | 2h39 | 66 km/h |
| Local | Takasaki - Shibukawa - Naganohara-Kusatsuguchi | 4/day | 1h20 | 48 km/h | |
| Takasaki - Shibukawa - Manza-Kazawaguchi | 6/day | 1h35 | 46 km/h | ||
| Takasaki - Shibukawa - Ōmae | 4/day | 1h43 | 45 km/h | ||
| Naganohara-Kusatsuguchi - Ōmae | 1/day | 21 min | 38 km/h |
