Track renovation works, route improvement, track-bed adaptation, removal and protection of level crossings, construction of overpasses and underpasses, platform refurbishment, exterior station fencing, urban integration of works and landscape treatment in the environment of the Chinchilla-Cartagena line, in the Cieza-Jabalí Nuevo subsection (of which we must highlight the work carried out in Blanca Abarán, Archena Fortuna, Lorquí Ceutí, Alguazas and Las Torres de Cotillas stations) and in the Alquerías-Cartagena subsection (of which we must highlight the work carried out in Apeadero de Canteras, Riquelme Sucina, Balsicas San Javier, Torrepacheco, La Palma stations).
Double-track works on the Totana-Lorca, Alhama-Totana and Sangonera-Librilla sections on the Murcia-Almendricos line, in order to adapt these sections to the high-speed line.
Renovation works on safety, signalling, traffic control, communications, fibre optic wiring and underground power-supply facilities on the Murcia-Alicante suburban line, on the Alicante-Murcia Mercancías section and the Los Ramos-Alquerias branch, as well as on the Chinchilla-Cartagena line. We wish to highlight the work carried out at the Pozo Cañada, Navajuelos, Hellín, Calasparra, Cieza, Blanca Abarán, Alguazas Molina, Riquelme Sucina, Balsicas del Mar Menor, Cartagena and Escombreras stations.