LINE Name Country City Regional Rail
Line 1 southern BG Sofia No
CONSTRUCTION DETAILS Start year End year Length (in km) Tunnel (in km) Tunnel Stations Source
2013 2015 3.0 3.0 100% 3 Media
COST INFORMATION Cost (in M) Currency PPP rate Year PPP Real cost (in M$) Cost/km (in M$) Source
44.0 EUR 3.32 2014 146.1 48.7 Media
REFERENCE https://www.novinite.com/articles/168384/Subway+Extension+to+Business+Park+Sofia+Opens