Renfe has been investigating marks of unknown origin on the Alvia Madrid-Badajoz for 2 weeks and the practice drivers declare themselves "worried" | EUROtoday

Monitoring trains have traveled the strains between Madrid, Mérida and Seville to search for a break, and the drivers have been warned to pay shut consideration to the tracks. The operator says that they don’t seem to be much like these of Adamuz Read
https://www.elmundo.es/economia/2026/04/17/69e13618fc6c83c7338b45b0.html