| LINE | Name | Country | City | Regional Rail | |||
| Line 3 extension | RU | Saint Petersburg | No | ||||
| CONSTRUCTION DETAILS | Start year | End year | Length (in km) | Tunnel (in km) | Tunnel | Stations | Source |
| 2014 | 2018 | 5.0 | 5.0 | 100% | 2 | Trade | |
| COST INFORMATION | Cost (in M) | Currency | PPP rate | Year PPP | Real cost (in M$) | Cost/km (in M$) | Source |
| 37000.0 | RUB | 0.04 | 2016 | 1517 | 303.4 | Trade | |
| REFERENCE | https://www.metro-report.com/analysis/single-news/view/the-winners-and-losers-of-russian-metros.html | ||||||
