| 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 |
| 2005 | 2015 | 4.7 | 4.7 | 100% | 3 | agency | |
| COST INFORMATION | Cost (in M) | Currency | PPP rate | Year PPP | Real cost (in M$) | Cost/km (in M$) | Source |
| 761.0 | EUR | 1.3 | 2012 | 989.3 | 210.5 | Plan | |
| REFERENCE | https://www.comune.roma.it/PCR/resources/cms/documents/B1schedaillustrativaintervento.pdf | ||||||
| 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. |
||||||
| Go to Rome city page. | |||||||
