| Opened | 1889 | Tracks | Single track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Oyama | JR East: Tōhoku Shinkansen, JR East: Ryōmō, JR East: Tōhoku Hon (Tōkyō - Kuroiso) | 0.0 | Oyama-shi | Tochigi |
| Map | Map | Yūki | | 6.6 | Yūki-shi | Ibaraki |
| Map | Map | Shimodate | Kantō: Jōsō, Mōka: Mōka | 16.2 | Chikusei-shi | |
| Map | Map | Iwase | | 29.6 | Sakuragawa-shi | |
| Map | Map | Kasama | | 43.3 | Kasama-shi | |
| Map | Map | Tomobe | JR East: Jōban | 50.2 | Kasama-shi |
| Type | Origin - Major stops - Destination | Trains per day | Fastest train | Average speed |
|---|---|---|---|---|
| Local Futsū 普通 | Oyama - Shimodate | 7 | 18 min | 54 km/h |
| Oyama - Tomobe - Jōban line - Mito - Iwaki | 1 | 3h28 | 46 km/h | |
| Oyama - Tomobe - Jōban line - Mito - Takahagi | 2 | 2h11 | 52 km/h | |
| Oyama - Tomobe - Jōban line - Mito - Katsuta | 9 | 1h24 | 52 km/h | |
| Oyama - Tomobe - Jōban line - Mito | 3 | 1h18 | 51 km/h | |
| Oyama - Tomobe | 11 | 57 min | 53 km/h |
