LINE Name Country City Regional Rail
Line 3 extension (Third Stage) BG Sofia No
CONSTRUCTION DETAILS Start year End year Length (in km) Tunnel (in km) Tunnel Stations Source
2021 3.1 3.1 100% 4* Plan
COST INFORMATION Cost (in M) Currency PPP rate Year PPP Real cost (in M$) Cost/km (in M$) Source
112.5 EUR 3.32 2021 373.5 120.5 Trade
REFERENCE https://seenews.com/news/sofia-opens-1125-mln-euro-tender-for-subway-expansion-681553
NOTES 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.
* Sources disagree on 3 vs. 4 but the map clearly shows 4: https://www.metropolitan.bg/en/op-transport-extension/istoriya-razvitie-metro/line-3-sofia-metro