Harmony Rail Transit (Joban) was a railway company operating railroads in Joban. It was the primary operator of suburban services in the Joban region until Harmony Rail Transit sold off HRT (Joban), HRT (Lamtsu), and HRT (New Tsihai) in June 2022, due to financial difficulties and internal conflicts.
Harmony Rail Transit (Joban) operated 291.5km of railways at the time of it's restructuring in 2022, and was the largest railway company of the "Big 3" by far.
- Non Shinkansen
- Main Lines
- Branch Lines
- Metro Lines