| Railway | Line | Linetype |
| Nagasaki | Hon | Tramway |
| Akasako | Tramway | |
| Hotarujaya | Tramway | |
| Ōura | Tramway | |
| Sakuramachi | Tramway |
| Opened | 1950 | Sumiyoshi - Ōhashi | Opened | 1915 - 1933 | Ōhashi - Shianbashi |
| 1968 | Shianbashi - Shōkakujishita | Tracks | Double track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Sumiyoshi | Nagasaki: Akasako | 0.4 | Nagasaki-shi | Nagasaki |
| Map | Map | Urakami-shako-mae | | 1.6 | Nagasaki-shi | |
| Map | Map | Ōhashi | | 1.9 | Nagasaki-shi | |
| Map | Map | Urakami-ekimae | JR Kyūshū: Nagasaki Hon [Urakami], JR Kyūshū: Nagasaki Hon (Old line) [Urakami] | 3.3 | Nagasaki-shi | |
| Map | Map | Nagasaki-ekimae | JR Kyūshū: Nagasaki Hon [Nagasaki], Nagasaki: Sakuramachi | 5.1 | Nagasaki-shi | |
| Map | Map | Tsukimachi | Nagasaki: Ōura | 6.4 | Nagasaki-shi | |
| Map | Map | Nishi-Hamanomachi | Nagasaki: Hotarujaya | 6.6 | Nagasaki-shi | |
| Map | Map | Shianbashi | | 7.0 | Nagasaki-shi | |
| Map | Map | Shōkakujishita | | 7.3 | Nagasaki-shi |
| Name | Origin - Major stops - Destination | Daytime frequency | Fastest train | Average speed |
|---|---|---|---|---|
| Route 1 (Blue) | Akasako - Akasako line - Sumiyoshi - Hon line - Shōkakujishita | Every 5 min | 31 min | 14 km/h |
| Route 2 | Akasako - Akasako line - Sumiyoshi - Hon line - Nishi-Hamanomachi - Hotarujaya line - Hotarujaya | 1 train/day | 32 min | 17 km/h |
| Route 3 (Red) | Akasako - Akasako line - Sumiyoshi - Hon line - Nagasaki-ekimae - Sakuramachi line - Kōkaidōmae - Hotarujaya line - Hotarujaya | Every 6 min | 26 min | 17 km/h |
| Route 4 (Yellow) | Shōkakujishita - Hon line - Nishi-Hamanomachi - Hotarujaya line - Hotarujaya | Every 8 min | 13 min | 13 km/h |
| Route 5 (Green) | Ishibashi - Ōura line - Tsukimachi - Hon line - Nishi-Hamanomachi - Hotarujaya line - Hotarujaya | Every 8 min | 16 min | 13 km/h |
| Opened | 1960 | Tracks | Double track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Akasako | | 0.0 | Nagasaki-shi | Nagasaki |
| Map | Map | Sumiyoshi | Nagasaki: Hon | 0.4 | Nagasaki-shi |
| Opened | 1920 - 1934 | Tracks | Double track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Nishi-Hamanomachi | Nagasaki: Hon | 0.0 | Nagasaki-shi | Nagasaki |
| Map | Map | Kōkaidō-mae | Nagasaki: Sakuramachi | 0.8 | Nagasaki-shi | |
| Map | Map | Hotarujaya | | 2.2 | Nagasaki-shi |
| Opened | 1916 | Tracks | Double track | Tsukimachi - Ōurakaigandōri |
| Single track | Ōurakaigandōri - Ishibashi |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Tsukimachi | Nagasaki: Hon | 0.0 | Nagasaki-shi | Nagasaki |
| Map | Map | Ōurakaigandōri | | 0.6 | Nagasaki-shi | |
| Map | Map | Ishibashi | | 1.1 | Nagasaki-shi |
| Opened | 1919 - 1920 | Tracks | Double track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Nagasaki-ekimae | JR Kyūshū: Nagasaki Hon [Nagasaki], Nagasaki: Hon | 0.0 | Nagasaki-shi | Nagasaki |
| Map | Map | Kōkaidō-mae | Nagasaki: Hotarujaya | 0.9 | Nagasaki-shi |
