| Traction | Non-electric | Wakamatsu - Orio |
| 20 kV 60 Hz AC | Orio - Keisen | |
| Non-electric | Keisen - Haruda |
| Opened | 1891- 1893 | Wakamatsu - Iizuka | Tracks | Double track | Wakamatsu - Iizuka |
| 1901 | Iizuka - Keisen | Single track | Iizuka - Haruda | ||
| 1928 - 1929 | Keisen - Haruda |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Wakamatsu | | 0.0 | Kitakyūshū-shi | Fukuoka |
| Map | Map | Orio | JR Kyūshū: Kagoshima Hon (Mojikō - Yatsushiro) | 10.8 | Kitakyūshū-shi | |
| Map | Map | Nakama | | 14.9 | Nakama-shi | |
| Map | Map | Nōgata | Heisei Chikuhō: Ita, Chikuhō Denki: Chikuhō Denki Tetsudō [Chikuhō Nōgata] | 24.8 | Nōgata-shi | |
| Map | Map | Shin-Iizuka | JR Kyūshū: Gotōji | 37.6 | Iizuka-shi | |
| Map | Map | Iizuka | | 39.4 | Iizuka-shi | |
| Map | Map | Keisen | JR Kyūshū: Sasaguri | 45.3 | Keisen-machi | |
| Map | Map | Haruda | JR Kyūshū: Kagoshima Hon (Mojikō - Yatsushiro) | 66.1 | Chikushino-shi |
| Type | Name | Origin - Major stops - Destination | Trains per day | Fastest train | Average speed |
|---|---|---|---|---|---|
| Limited Express Tokkyū 特急 | Kaiō かいおう | Nōgata - Keisen - Sasaguri line - Hakata | 2 | 45 min | 63 km/h |
| Rapid Kaisoku 快速 | Kokura - Kagoshima line - Orio - Nōgata | 1 | 43 min | 54 km/h | |
| Kurosaki - Kagoshima line - Orio - Keisen - Sasaguri line - Hakata | 3 | 1h25 | 47 km/h | ||
| Orio - Keisen - Sasaguri line - Hakata | 11 | 1h18 | 47 km/h | ||
| Nōgata - Keisen - Sasaguri line - Hakata | 9 | 56 min | 51 km/h | ||
| Local Futsū 普通 | Wakamatsu - Orio | 39 | 18 min | 36 km/h | |
| Wakamatsu - Nōgata | 4 | 44 min | 34 km/h | ||
| Mojikō - Kagoshima line - Orio - Keisen - Sasaguri line - Hakata | 1 | 2h25 | 38 km/h | ||
| Mojikō - Kagoshima line - Orio - Nōgata | 4 | 59 min | 45 km/h | ||
| Kokura - Kagoshima line - Orio - Keisen - Sasaguri line - Hakata | 1 | 1h58 | 44 km/h | ||
| Kokura - Kagoshima line - Orio - Iizuka | 1 | 1h09 | 46 km/h | ||
| Kokura - Kagoshima line - Orio - Nōgata | 1 | 45 min | 51 km/h | ||
| Kurosaki - Kagoshima line - Orio - Nōgata | 1 | 26 min | 44 km/h | ||
| Orio - Nōgata | 17 | 19 min | 44 km/h | ||
| Orio - Shin-Iizuka | 1 | 40 min | 40 km/h | ||
| Orio - Keisen - Sasaguri line - Hakata | 13 | 1h27 | 42 km/h | ||
| Nōgata - Iizuka | 1 | 19 min | 46 km/h | ||
| Nōgata - Keisen - Sasaguri line - Hakata | 15 | 1h03 | 45 km/h | ||
| Shin-Iizuka - Keisen - Sasaguri line - Hakata | 2 | 1h04 | 32 km/h | ||
| Haruda line | |||||
| Local Futsū 普通 | Keisen - Haruda | 8 | 27 min | 46 km/h |