Tracks;facilities;traction;track resistance;rolling resistance;spatial track
layout–structure gauge;railway superstructure-construction of a
track;sets;ribbon rail;switches;geometric and constructional switch
layout;switch transformation;crossings of lines;railway
substructure;substructure constructions;drainage;line and road crossings;line
and water stream crossing;line and wiring crossings;railway crossing;line
equipment; breakdowns;diagnostics; track works;mechanization;rail transport in
towns–subway,tram;railway networks;speed raising;Czech railway network
modernization.