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infrastructure subsystem

Definition:The infrastructure structural subsystem of the trans-European high-speed rail system includes the tracks and switches and crossings of the high-speed lines. Source:Commission Decision 2006/860/EC concerning the TSI relating to the CONTROL-COMMAND &SIGNALLING subsystem of the trans-European HS rail system and modifying Annex A to Decision 2006/679/EC concerning the TSI for C-C & Sig subsystem for the trans-European