| Status | Proposed |
| Project Name | Phase 4 |
| Operator Name | N/A |
| Route | Fatmawati - Kampung Rambutan |
| Total Length (KM) | 12 |
| Year of Completion | N/A |
| Target Passenger Capacity (people per day) | N/A |
| Total Investment (USD) | N/A |
| Website | www.jakartamrt.co.id |
| Population | 3,086,010 in (2024) |
| People Density | 16,891.13/km2 |
| Regional Minimum Wage (UMR) | IDR 5,396,761 in (2025) |