Division 2.1 ERTMS/ETCS:X1
United Kingdom
The basis for the control-command and signalling subsystem shall be the set of specifications listed in the following table. If deemed necessary, these specifications can be revised and extended in accordance with the TSI revision procedure of Directives 96/48/EC and 2001/16/EC. Such a revision will consider the opinion expressed in the ERTMS Change Control Management procedure, taking into account the fact that a consolidation phase is necessary for the ERTMS specifications, based on the trial sites and the first implementations