| LINE | Name | Country | City | Regional Rail | |||
| Line 3 | BG | Sofia | No | ||||
| CONSTRUCTION DETAILS | Start year | End year | Length (in km) | Tunnel (in km) | Tunnel | Stations | Source |
| 2016 | 2021* | 12.0 | 12.0 | 100% | 12 | Plan | |
| COST INFORMATION | Cost (in M) | Currency | PPP rate | Year PPP | Real cost (in M$) | Cost/km (in M$) | Source |
| 500.0 | EUR | 3.32 | 2018 | 1,791.3 | 149.3 | Plan | |
| REFERENCE | https://europa.eu/investeu/projects/sofia-metro-line-3_en | ||||||
| NOTES | The ‘Real cost’ values have been adjusted for inflation and PPP. Sections of the line constructed in trench are represented with the same line style as the at-grade sections. The project maps are based on information retrieved from OpenStreetMap and our research. Please contact us if you have more accurate information regarding this project. * First 7.8 km opened in 2020: https://www.railwaygazette.com/operations-and-services/most-beautiful-and-cheapest-metro-line-opens-in-sofia/57242.article |
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| Go to Sofia city page. | |||||||
