|CONSTRUCTION DETAILS||Start year||End year||Length (in km)||Tunnel (in km)||Tunnel||Stations||Source|
|COST INFORMATION||Cost (in M)||Currency||PPP rate||Year PPP||Real cost (in M$)||Cost/km (in M$)||Source|
|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.
* Source says 1,510, but this older source says 182 is rolling stock: https://ec.europa.eu/eipp/desktop/en/projects/project-74.html This source even says 1,800, with VAT, which is close to 1,510 without: https://www.tornosnews.gr/en/transport/37308-athens-metro-line-4-to-proceed-after-appeals-are-rejected-by-top-court.html
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