The theme of this diploma thesis deals with comparing technologies of reconstruction of the railway track No. 2 between railway stations Hranice na Morave and Hustopece nad Becvou in km 7,792 393 – 7,967 592 and in km 8,725 000 – 14,988 677. The aim of the thesis is to design several variants for the reconstruction of the substructure and superstructure, and then compare these variants. This thesis deals with technologies with removal of the track length and with technologies without removal of the track length. Part of the thesis is a description of used technologies and machines connected with them.