||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.
* Most sources state this is the infrastructure investment cost, e.g. https://www.railwaypro.com/wp/contract-awarded-for-lisbon-metro-expansion/, https://www.metrolisboa.pt/institucional/informar/investimentos-e-projetos-na-rede/, but https://www.railwaypro.com/wp/eu-funding-for-lisbon-metro-extension/ claims this includes equipment.