LINE Name Country City Regional Rail
Line 4 IT Milan No
CONSTRUCTION DETAILS Start year End year Length (in km) Tunnel (in km) Tunnel Stations Source
2015 2023 15.2 15.2 100% 21 Wiki
COST INFORMATION Cost (in M) Currency PPP rate Year PPP Real cost (in M$) Cost/km (in M$) Source
1696.7* EUR 1.3 2019 2205.7 145.1 Plan
REFERENCE https://www.metro4milano.it/wordpress/wp-content/uploads/2020/04/Quadro-Economico-_-Atto-Integrativo-n.1-alla-Convenzione-di-concessione_-allegato-13.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.
* Reference says 1,943.8 but includes rolling stock, which per an older report before a cost overrun was 247.2: https://www.metro4milano.it/wordpress/wp-content/uploads/2016/09/2016.05.27-CdM-Integraz-relaz-tecnico-economica-Allegati.xlsx.pdf