The subject of the construction is the construction of the trackside part of the single European train protection system ERTMS/ETCS of the second level (ETCS L2) in the tr. section Pardubice (outside) - Hradec Králové (outside). The content of the construction is the addition and modification of railway signalling equipment and railway communication equipment. The newly built ETCS system will be linked to the existing ETCS level 2 system at Pardubice hl.n.