| 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 | Trains per day | Fastest train | Average speed |
|---|---|---|---|---|---|
| Limited Express Tokkyū 特急 | Kusatsu 草津 | Ueno - Takasaki - Shibukawa - Manza Kazawaguchi | 3 | 2h42 | 65 km/h |
| Local Futsū 普通 | Takasaki - Shibukawa - Ōmae | 4 | 1h40 | 46 km/h | |
| Takasaki - Shibukawa - Manza-Kazawaguchi | 6 | 1h38 | 45 km/h | ||
| Takasaki - Shibukawa - Naganohara-Kusatsuguchi | 4 | 1h20 | 48 km/h | ||
| Naganohara-Kusatsuguchi - Ōmae | 1 | 21 min | 38 km/h |
