Announcement Of The Public Business Entity Adif-Halta Speed, Which Communicates The New Dates Of The “Drafting Of Construction Projects, Execution Of The Works, Conservation And Maintenance Of The Enclosure Facilities, Train Protection System, Centralized Traffic Control, Auxiliary Detection Systems, Fixed Telecommunications And Energy Supply System Of The High Speed ​​Line Madrid-Extrem Portuguese. (File: 4.25/20830.0012).