| LINE | Name | Country | City | Regional Rail | |||
| M4 Phase 1 | TR | Istanbul | No | ||||
| CONSTRUCTION DETAILS | Start year | End year | Length (in km) | Tunnel (in km) | Tunnel | Stations | Source |
| 2005 | 2012 | 21.7 | 21.7 | 100% | 16 | Plan | |
| COST INFORMATION | Cost (in M) | Currency | PPP rate | Year PPP | Real cost (in M$) | Cost/km (in M$) | Source |
| 1299.0 | USD | 1.7 | 2009 | 2208.3 | 101.8 | Media | |
| REFERENCE | https://railturkey.org/2016/10/15/kadikoy-kartal-tavsantepe-metro-m4/2/ | ||||||
| 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. |
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| Go to Istanbul city page. | |||||||
