| Traction | Non-electric | Kubota - Karatsu |
| 1500V DC | Karatsu - Nishi-Karatsu |
| Opened | 1898 - 1903 | Tracks | Single track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Saga | | 0.0 | Saga-shi | Saga |
| Map | Map | Kubota | JR Kyūshū: Nagasaki Hon | 6.4 | Kubota-chō | Saga |
| Map | Map | Taku | | 21.6 | Taku-shi | |
| Map | Map | Yamamoto | JR Kyūshū: Chikuhi (Yamamoto - Imari) | 39.3 | Karatsu-shi | |
| Map | Map | Karatsu | JR Kyūshū: Chikuhi (Meinohama - Karatsu) | 46.7 | Karatsu-shi | |
| Map | Map | Nishi-Karatsu | | 48.9 | Karatsu-shi |
| Type | Origin - Major stops - Destination | Trains per day | Fastest train | Average speed |
|---|---|---|---|---|
| Local Futsū 普通 | Saga - Nishi-Karatsu | 15 | 1h05 | 45 km/h |
| Saga - Karatsu | 4 | 1h06 | 42 km/h | |
| Saga - Taku | 4 | 28 min | 46 km/h | |
| Taku - Karatsu | 1 | 39 min | 39 km/h |
