LINE Name Country City Regional Rail
Line B1 extension IT Rome No
CONSTRUCTION DETAILS Start year End year Length (in km) Tunnel (in km) Tunnel Stations Source
2010 2015 3.9 3.9 100% 3 Plan
COST INFORMATION Cost (in M) Currency PPP rate Year PPP Real cost (in M$) Cost/km (in M$) Source
527.3 EUR 1.3 2012 685.5 175.8 Plan
REFERENCE https://www.comune.roma.it/PCR/resources/cms/documents/B1schedaillustrativaintervento.pdf