Prior information notice for construction management, health and safety coordination and technical assistance for the installation of facilities and signalling systems for the extension of metro line 11 from Plaza Elíptica to Conde Casal in Madrid. The contract value is EUR 12.27 million, excluding VAT. The contract is composed by 4 lots. Contact Consejería de Transportes Infraestructuras de la Comunidad de Madrid, Madrid, tel +34 915803576, fax +34 915803140, email contratacion.transportes@madrid.org. Visit https://ted.europa.eu/en/notice/-/detail/615598-2025. Ref.n. A/SER-031843/2025. 38/25.