| LINE | Name | Country | City | Regional Rail | |||
| Scarborough | CA | Toronto | No | ||||
| CONSTRUCTION DETAILS | Start year | End year | Length (in km) | Tunnel (in km) | Tunnel | Stations | Source | 
| 2020 | 2030 | 7.8 | 7.8 | 100% | 3 | Wiki | |
| COST INFORMATION | Cost (in M) | Currency | PPP rate | Year PPP | Real cost (in M$) | Cost/km (in M$) | Source | 
| 5,500.0 | CAD | 0.84 | 2018 | 4,985.5 | 639.2 | Media | |
| REFERENCE | https://urbantoronto.ca/news/2020/03/metrolinxs-preliminary-business-case-scarborough-subway-extension-raises-questions | ||||||
| NOTES | The ‘Real cost’ values have been adjusted for inflation and PPP.  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 Toronto city page. | |||||||