| Railway | Line | Linetype |
| Kumamoto-shi | Tasaki | Tramway |
| Kamikumamoto | Tramway | |
| Kan | Tramway | |
| Suizenji | Tramway | |
| Kengun | Tramway |
| Opened | 1959 | Tracks | Single track | Nihongiguchi - Tasakibashi | |
| Tracks | Double track | Kumamoto-ekimae - Nihongiguchi |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Tasakibashi | | 0.0 | Kumamoto-shi | Kumamoto |
| Map | Map | Nihongiguchi | | 0.3 | Kumamoto-shi | |
| Map | Map | Kumamoto-ekimae | JR Kyūshū: Kagoshima Hon (Mojikō - Yatsushiro) [Kumamoto], JR Kyūshū: Hōhi Hon [Kumamoto], JR Kyūshū: Kyūshū Shinkansen [Kumamoto], Kumamoto-shi: Kan | 0.6 | Kumamoto-shi |
| Opened | 1929 - 1935 | Tracks | Double track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Kami-Kumamoto-ekimae | JR Kyūshū: Kagoshima Hon (Mojikō - Yatsushiro) [Kami-Kumamoto], Kumaden: Kikuchi [Kami-Kumamoto] | 0.0 | Kumamoto-shi | Kumamoto |
| Map | Map | Karashimachō | Kumamoto-shi: Kan | 2.9 | Kumamoto-shi |
| Opened | 1924 | Tracks | Double track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Kumamoto-ekimae | JR Kyūshū: Kagoshima Hon (Mojikō - Yatsushiro) [Kumamoto], JR Kyūshū: Hōhi Hon [Kumamoto], JR Kyūshū: Kyūshū Shinkansen [Kumamoto], Kumamoto-shi: Tasaki | 0.0 | Kumamoto-shi | Kumamoto |
| Map | Map | Karashimachō | Kumamoto-shi: Kamikumamoto | 2.2 | Kumamoto-shi | |
| Map | Map | Tōrichōsuji | | 3.0 | Kumamoto-shi | |
| Map | Map | Suidōchō | Kumamoto-shi: Suizenji | 3.3 | Kumamoto-shi |
| Name | Origin - Major stops - Destination | Daytime frequency | Fastest train | Average speed |
|---|---|---|---|---|
| Route A (Red) | Tasakibashi - Kumamoto-ekimae - Karashimachō - Suidōchō - Suizenjikōen - Kengunmachi | Every 8 min or better | 38 min | 15 km/h |
| Route B (Blue) | Kamikumamoto-ekimae - Karashimachō - Suidōchō - Suizenjikōen - Kengunmachi | Every 12 min or better | 35 min | 16 km/h |
| Opened | 1924 | Tracks | Double track |
| Mapion | Major stations | Connecting lines | Km | Notes | City | Prefecture | |
| Map | Map | Suidōchō | Kumamoto-shi: Kan | 0.0 | Kumamoto-shi | Kumamoto | |
| Map | Map | Shin-Suizenji-ekimae | JR Kyūshū: Hōhi Hon [Shin-Suizenji] | 1.7 | Ex Suizenji-ekidōri | Kumamoto-shi | |
| Map | Map | Suizenjikōen | Kumamoto-shi: Kengun | 2.4 | Kumamoto-shi |
| Opened | 1945 | Tracks | Double track | Except Kengunmachi stop |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Suizenjikōen | Kumamoto-shi: Suizenji | 0.0 | Kumamoto-shi | Kumamoto |
| Map | Map | Kengunmachi | | 3.0 | Kumamoto-shi |
